Respuesta :

2025hillhartsarah

Answer:

D. 17

Step-by-step explanation:

2(17)+5 = 39

3(17) +10 = 61

39 + 61 = 100
D.17 is the answer

2x + 5 + 3x + 10 = 100
5x + 15 = 100
-15 -15
5x = 85
————
5 5

X= 17