Question

Choose the correct one. If k + 7 = 16, then the value of 8k – 72 is (a) 0 (b) 1 (c) 112 (d) 56

Answer 1

a.......0.. . ........

Answer 2

solution

Given that k+7=16

⇒ k=16-7 ⇒k=9

then we put k into

8k-72=8(9)-72=72-72=0

⇒the answer is (a)