Answer:
x<4
Step-by-step explanation:
x+36 is less than 40
x+36<40
Subtract 36 from both sides
This equation means, that in order for the equation to be true, x must be less than 4.
Answer:

Step-by-step explanation:
The answer is C, which is 17+5(n- 1).
Answer:
answer is 1
Step-by-step explanation:
just did test on edge
Last year He was 7 years old.
His father is 4 times the age 7 x 4 = 28
Last year his dad was 28, so this year he is 29.
Combined age this year = 29 + 8 = 37
51 - 37 = 14 years
14/ 2 people = 7 years
8 + 7 = 15
29 + 7 = 36
15 + 36 = 51
It will take 7 years.