Which of the following is the solution set of - 4 < 3t + 5 ≤ 20?

Question 15 options:

a)

t < - 3 and t ≤ 5

b)

t

c)

t < - 3 or t ≥ 5

d)

t < - 3

Question

15 April, 09:39

+2

Answers (1)

Know the Answer?

Emilia Choi · Answer 1

b)

t

Step-by-step explanation:

-4 < 3t + 5 ≤ 20

⇔

-4 - 5 < 3t ≤ 15

⇔

-9 < 3t ≤ 15

⇔

-3 < t ≤ 5

Which of the following is the solution set of - 4 < 3t + 5 ≤ 20?Question 15 options:a)t < - 3 and t ≤ 5b)tc)t < - 3 or t ≥ 5d)t < - 3