In how many hours can the trainee spend working alone

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Problem 1 : A small group has $100 to spend for lunch. The group decided to give a tip of 20%(before tax). The sales tax is 7 ½ %. How much should they spend?

Problem 2 : An inexperienced worker unloads a truck within 1 hour and 40 minutes. Together with a trainee they can work for 1 hour. In how many hours can the trainee spend working alone?

Problem 3 : What is the reciprocal of 3-i?

Problem 4 : Find the sixth term of the arithmetic sequence with a1=11 and d=4.

Problem 5 : Find the general term an, of the arithmetic sequence -8,-3,2...

Problem 6 : A solution of system of linear inequalities is bounded if 

Problem 7 : A mixture containing 16% of a drug is combined to a 28% of a drug to obtain a 15mL of 24% of a mixture. How many 16% of a drug should be added? 

Problem 8 : Peanut and nut mixture contains 40% peanut. How much additional peanut mixture should be added to produce 8 lbs. of 50% peanut? 

Problem 9 : A small boat travelling 5 miles upstream, later back down stream for 1 hour and 40 minutes. The stream current is 4 mph. What is the velocity when it is in still water?

Problem 10 : The third term of a geometric progression is 32 and the fifth is 128. Find the first term and the common ratio. 

Reference no: EM131266937

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