Question

Evaluate pq-qr if p=7,q=5,andr=2.

Answer 1

Answer:

25

Step-by-step explanation:

p=7 q=5 r=2

$= 7 \times 5 - 5 \times 2 \\ = 5(7 - 2) \\ = 5 \times 5 \\ 25$