See the attached picture:
Hello,
x + 2 = 6
x = 6 - 2
x = 4
Bye :)
Answer:
42 hours
Step-by-step explanation:
18 ÷3=6
6×7=42
m<FOD = 90 -12 -15
m<FOD = 63
answer is B. 63
hope it helps