last week jackson babysits 1 1/2 times as many hours as he babysat this week . last week jackson babysat 12 hours .how many hours did he babysit this week?

A. 8 H

B. 10 1/2 H

C. 13 1/2

D. 18 H

Respuesta :

Americ
Multiply fraction (1 1/2) by the # of hours last week (12).

= 1 1/2 * 12
change to improper fraction
= 3/2 * 12
multiply numerators
= (3*12)/2
= 36/2
= 18 hours

ANSWER: D) 18 H

Hope this helps! :)