Simon gets some money for his birthday. Simon spends ¹/₂ of his money on a bike.

He then gets £20 more from his gran for his birthday.

He spends ¹/₄ of what he has left on a new game.

He has £57 left.

How much does Simon get for his birthday altogether?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?

Pr and pt a) pr = ps + pt b)pr = ps · pt c)(pr)2 = ps · pt