Answer:
Will I think it will be A
Step-by-step explanation:
because it say it was a positive
x=1
4(x+5)= 24
4x+20=24
-20 -20
____________
4x = 4
___ ____
4 4
x= 1
21 + 15 = 36
36 x 3 = 108
Their father donated $108 to charity
