Write a unit rate for the situation.

$28 saved in 4 weeks

The rate for this situation is  $7 saved per weeks

Step-by-step explanation:

We get a rate when we compare two measurements with different units. In this case ,  we must compare the amount saved with time (each week).  If we have $28 saved in 4 weeks,  we can divide;

$28 saved / 4 weeks =$ 7 saved / weeks