Question

Which expression is equivalent to 5(9 + 7)?

a) 14 + 12
b) 14 + 7
c) 45 + 7
d) 45 + 35

Answer 1

To find the equivalent expression for 5(9 + 7), we simplify the addition in the parentheses first and then multiply the result by 5. The equivalent expression is 80.

Step-by-step explanation:

The expression 5(9 + 7) can be simplified by performing the addition in the parentheses first. 9 + 7 equals 16, so the expression becomes 5*16. Multiplying 5 by 16 gives us the final answer of 80. Therefore, none of the given options (a) 14 + 12, (b) 14 + 7, (c) 45 + 7, or (d) 45 + 35 are equivalent to the expression 5(9 + 7).