Hello!
The answer would be d = 10. Solve it like this. (v v v)
10 * 0 + 4 * d = 40 ---> 0 + 4 * 10 = 40
0 + 40 = 40
40 = 40
Hope this helps! ☺♥
He paid him : 24t + 15
for 3 hrs...
24(3) + 15 = 72 + 15 = $ 87
For this case we must find the quotient of the following expression:

Applying double C we have the following expression:

Applying distributive property to the terms within the parentheses of the numerator we have:

Thus, the quotient is given by option A
Answer:
Option A