Question

Two students use different methods to solve this multiplication problem: 1/2 • -4 4/5 Read each of their methods below and then enter numbers to correctly complete their work.

Answer 1

-2 2/5

Explanation:

Barbara's method:

`(1)/(2)*-4(4)/(5)=(1)/(2)*(-24)/(5)=(-12)/(5)=-2(2)/(5)\\`

Christopher's method:

`(1)/(2)*-4(4)/(5)=(1)/(2)*(-4+(-4)/(5))=(1)/(2)*-4+(1)/(2)*(-4)/(5)=-2+(-2)/(5)=-2(2)/(5)\\`