Answer:
$2250
Explanation:
if the cost of the washing machine is 70% of the cost she paid. then the cost of the dryer must be:
100-70 =30%
Now, to find the cost of the dryer, you just have to find 30%of 7500
30/100x 7500 = 2250
Thus, the dryer costs $2250.
Hope this helps.
Good luck