What equation corresponds with the situation? Story 1: Lin had 90 flyers to hang up around the school.
She gave 12 flyers to each of three volunteers. Then
she took the remaining flyers and divided them up
equally between the three volunteers.
Story 2: Lin had 90 flyers to hang up around the school.
After giving the same number of flyers to each of three
volunteers, she had 12 left to hang up by herself.
Write an equation corresponding to each story.
+ 12
Story A
Story B
3(12 + y) = 90