Question

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

Answer 1

No they are not equivalent.

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Answer 2

Answer: 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

$r_1=\dfrac{28}{56}=\dfrac{1}{2}=0.5~\textup{dollar per day}$

and the rate at which her sister saves is given by

$r_2=\dfrac{18}{24}=\dfrac{3}{4}=0.75~\textup{dollar per day}.$

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