Question

Robin and Emily are selling boxes of candy bars. Robin sells 36 boxes of candy and Emily sells 24 boxes of candy. Which expression, using the form a(b+c), represents the amount they sold together

a. 2(12+24)
b. 4(9+6)
c. 24 (6 + 36)
d. 12 (3 + 2)

My answer is B
9+6=15x4=60
60 candy bars is what they sold together

Can you please double check my work and let me know if I got the correct answer.

Answer 1

b works but so does d

By the way two things have to happen.
a(b+c) = 60
and if ab = 36 then ac must be 24

Answer 2

Your answer is partially correct.

4 ( 9 + 6 ) = 4 * 15 = 60

But also:

36 = 12 * 3

24 = 12 * 2


36 + 24 = 12 * 3 + 12 * 2 = 12 ( 3 + 2 )


12 * ( 3 + 2 ) = 12 * 5 = 60

Answers b and d