Question

The equation below represents a situation x+x+2+x+4=30+x+4 which word problem to the equation representA) Akio earns $2 per year on his principal. What is his principal if the amount he has after 3 years is $30 more than the amount he had the year before? B) Devin scores 2 points more on his second test than on his first. How many points must he score on his third test so that he improves by 30 points ? C) The sum of three consecutive even numbers is 30 more than the largest of the three numbers. What is the smallest number? D) Emily is 2 years older than Ben. Jeb is 2 years older than Emily. If the sum of Ben's and Jeb's ages is 30, how old is Ben?

Answer 1

from the options given the right answer is option D

let's solve this

let the value of Ben's age be represented by x

since Emily's age = (x + 2) years old

Jeb is 2 years older than Emily = (x+2) + 2

the sum of their ages = x + x + 2 + x + 2 = 30

x + x + x +4 = 30