Question

5.
Find the product by doubling-
a) 9 x 16 (if 9 x 8 = 72)
b) 185 X 12 (if 185 X 6 = 1110)
c) 6 X 15 (if 3 x 15 = 45)​

Answer 1

Step-by-step explanation:

a) 72×2=144

b)1110×2=2220

c)45×2=90