Question

From the set {20, 38, 47}, use substitution to determine which value of x makes the inequality true.

Answer 1

One way is to solve (it's easier)

x-9>29
add 9
x+9-9>29+9
x+0>38
x>38
just pick the numbers bigger than 38 as answer


47 is only number (38>38 is false)



answer is A