Reference no: EM131013102
1. At an ice cream parlor, ice cream cones cost $1.10 and sundaes cost $2.35. One day, the receipts for a total of 172 cones and sundaes were $294.20. How many cones were sold?
2. You purchase 8 gal of paint and 3 brushes for $152.50.The next day, you purchase 6 gal of paint and 2 brushes for $113.00. How much does each gallon of paint and each brush cost?
3. Shopping at Savers Mart, Lisa buys her children four shirts and three pairs of pants for $85.50. She returns the next day and buys three shirts and five pairs of pants for $115.00. What is the price of each shirt and each pair of pants?
4. Grandma's Bakery sells single-crust apple pies for $6.99 and double-crust cherry pies for $10.99.The total number of pies sold on a busy Friday was 36. If the amount collected for all the pies that day was $331.64, how many of each type were sold?
5. Your teacher is giving you a test worth 100 points containing 40 questions. There are two-point and four-point questions on the test. How many of each type of question are on the test?
6. Suppose you are starting an office-cleaning service. You have spent $315 on equipment. To clean an office, you use $4 worth of supplies. You charge $25 per office. How many offices must you clean to break even?
7. The math club and the science club had fundraisers to buy supplies for a hospice. The math club spent $135 buying six cases of juice and one case of bottled water. The science club spent $110 buying four cases of juice and two cases of bottled water. How much did a case of juice cost? How much did a case of bottled water cost?
8. On a canoe trip, Rita paddled upstream against the current at an average speed of 2 mi/h relative to the riverbank. On the return trip downstream with the current , her average speed was 3 mi/h. Find Ritas paddling speed in still water and the speed of the river's current.
9. Kay spends 250 min/wk exercising. Her ratio of time spent on aerobics to time spent on weight training is 3 to 2. How many minutes per week does she spend on aerobics? How many minutes per week does she spend on weight training?
10. Suppose you invest $1500 in equipment to put pictures on T-shirts. You buy each T-shirt for $3. After you have placed the picture on a shirt, you sell it for $20. How many T-shirts must you sell to break even?
11. Alight plane flew from its home base to an airport 255 miles away.With ahead wind,the trip took 1.7 hours.The return trip with a tail wind took 1.5 hours. Find the average airspeed of the plane and the average windspeed
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What was her cost of credit compared to paying the loan
: veronica borrowed 4,020 from the city credit union if she borrowed 10.9 % for 48 months but paid the loan out in 24 months with out any penalties what was her cost of credit compared to paying the loan out in 48 months?
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Determine the magnitude of resultant internal shear force
: Determine the magnitude of the resultant internal shear force acting on the cross section at C. Determine the magnitude of the resultant internal bending moment acting on the cross section at C.
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What is the value of the smaller number
: A number, a, is 11 more than twice another number, b. The sum of the numbers is 32. What is the value of the smaller number?
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Find the point on the intersection line of planes
: Find a normal vector to the level curve found in part a, at point P. Find the point on the intersection line of planes x + 3y - 2z = 11, 2x - y + z= 3 which is closest to the origin.
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How many t-shirts must you sell to break even
: Shopping at Savers Mart, Lisa buys her children four shirts and three pairs of pants for $85.50. She returns the next day and buys three shirts and five pairs of pants for $115.00. What is the price of each shirt and each pair of pants?
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Find the direction and magnitude of the equivalent force
: Find the direction and magnitude of the equivalent force at the section a-a. Find the direction and magnitude of the bending moment at the section a-a
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What is the allowable flow rate of the outfall in cfm
: A small stream of 20,000 cfm has a BOD of 5 mg/L. An industrial outfall joins the stream; the outfall has a BOD of 250 mg/L. Downstream of the outfall, the BOD must be 10 mg/L to meet regulations. What is the allowable flow rate of the outfall in ..
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Discuss efficient recycling and its potential to decrease
: Finally, discuss some of the efficiency and cost-effectiveness issues described in the book surrounding the treatment of polluted water.
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Design the footing reinforcement
: A 10ft x 10 ft square footing is subjected to an eccentric compressive load Of PL = 50 kips and PD = 60 kips. The eccentricity of load is 18 inches. There is a 24 in x 24 in concrete pier concentrically located on the footing. The footing is 24 i..
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