Question

Without changing the order of the numbers below, insert parentheses and/or addition signs so that the computation results in the number described below. 4 3 6 1 a. The number is a multiple of 5. b. The number is a factor of 36.

Answer 1

4,3,6,1

(a) multiple of 5 : 4(3 + 6 + 1) = 4(10) = 40
(b) factor of 36 : (4)(3) + (6)(1) = 12 + 6 = 18