Answer:
$20
Step-by-step explanation:
Total cost of items bought
= $31.21 +$12.75 +$13.25
= $57.21
Remaining cost after paying $40
= $57.21 -$40
= $17.21
Amount borrowed
= change +$17.21
= $2.79 +$17.21
= $20
Hello hello helllo hello hello hello
Let T be total of money earned and W= number of windows washed
T=4W
I believe that it is B. Hope this helps!