Question

Using the following expression, 9 + 6 ÷ 3 - 2 • 4, insert two sets of parentheses so the value of the expression is equivalent to 60.

Answer 1

(9 + 6 ÷ (3 - 2)) • 4 =

= (9 + 6 ÷ 1) • 4

= (9 + 6) • 4

= 15 • 4

= 60

Answer 2

(9 + 6 ÷ (3 - 2)) • 4 =

= (9 + 6 ÷ 1) • 4

= (9 + 6) • 4

= 15 • 4

= 60