linear equation and application, Algebra

Aubrey is 5 years younger than her brother is and three years ago the sum of their ages was 23 years. How old is each now?

Related Discussions:- linear equation and application

Percentage, Two sessions of swimming lessons were held at a pool. In the fi...

Two sessions of swimming lessons were held at a pool. In the first session 40 students attended. Of these 40 students 60% were girls. How many girls attended the first session of s

Partial fractions and partial fraction decomposition, What we desire to do ...

What we desire to do in this section is to begin with rational expressions & ask what simpler rational expressions did we add and/or subtract to obtain the original expression. The

Proofs, m?1=m?2 m?2=75 m?1=75

m?1=m?2 m?2=75 m?1=75

WORD PROBLEM, YOU EARN 15N DOLLARS FOR MOWING N LAWNS.HOW MUCH DO YOU EARN ...

YOU EARN 15N DOLLARS FOR MOWING N LAWNS.HOW MUCH DO YOU EARN FOR MOWING ONE LAWN? SEVEN LAWNS?

Alligation Method, You need to prepare a 30 mL solution of a 1:6 syrup solu...

You need to prepare a 30 mL solution of a 1:6 syrup solution. You have on hand a 50% syrup solution and a 1:200 soda solution. How many mL of each solution will you need?

Word problems, Express commuter train #12 leaves the downtown station and t...

Express commuter train #12 leaves the downtown station and travels at an average speed of miles per hour towards the north-side station, which is miles away. Express commuter train

Exponential growth and decay, There are several quantities out there within...

There are several quantities out there within the world which are governed (at least for a short time period) by the equation,

College Algebra Test Quesion, An inlet pipe can fill a large water tank in ...

An inlet pipe can fill a large water tank in 4 hours. Another inlet pipe can fill the same water tank in 5 hours. Given an empty water tank, at 8:00 AM, activate both pipes. What t

Polynomials/Pythagorean Theorem, y+11=(y+10)+(y-7)

y+11=(y+10)+(y-7)

Factoring special cases, 64n^2-1

64n^2-1

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