Question

A box contains n quarters and some dimes in the ratio quarters to dimes is 1:2
a)write an expression for the total amount of money in the box
b)if there are 12quarters find the total amount in the box

Answer 1

Number of dimes is = 2 times the number of quarters, =  2 * n
amount A = n * $ 0.25 + 2 * n * $ 0.10
               = $ 0.45 * n

Amount = $ 0. 45 * 12 = $ 5.40

Answer 2

Given a box contains some quarters and some dimes in the ratio 1:2
Now A.T.Q

1.
Number of dimes = 2n
Amount  = n × $ 0.25 + 2 × n × $ 0.10
               = $ 0.45 × n
2.
Amount = $ 0. 45 × 12 = $ 5.40