Answer + Step-by-step explanation:
24 + 7 and 9×(24+7)
31 and 9 x (31)
31 and 279
the number is multiplied by 9
12 - 7 and 4x(12-7)
5 and 4 x (5)
5 and 20
the number is multiplied by 4
3×(21 + 4) and 21 + 4
3 x (25) and 25
75 and 25
the number is multiplied by 3
making the left side 3 times larger
40 × 5 and 40 × 20
200 and 800
