Mia saves $28 in 8 weeks. her sister saves $18 in 24 days. are the rates at which each sister saves equivalent?

No, the rates are NOT equivalent.

Step-by-step explanation:  Given that Mia saves $28 in 8 weeks and her sister saves $18 in 24 days.

We are to check whether the rates at which each sister saves equivalent.

We know that

1 week = 7 days.

So. 8 weeks = 7 × 8 = 56 days.

So, the rate at which Mia saves is given by

and the rate at which her sister saves is given by

Thus, the rates at which each sister saves are NOT equivalent.

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point

$119.20

step-by-step explanation:

$372.50 - 60% off is $149. $149-20% off is $119.20