She would have 10 blocks of butter each weighing .20 pounds
1583 because that’s the year that the they created that math problem
Rearrange to
6ab+21b-8a-28 now factor 1st and 2nd pair of terms...
3b(2a+7)-4(2a+7)
(3b-4)(2a+7)
So it is the third one down...
