150 * 5/100=7.5
150+7.5=157.5$
145*7/100= 10.15
145+10.15= 155.15$
140*8/100= 11.2
140+11.2= 151.2$
135*9/100= 12.15
135+12.25= 147.15$
Purchase D is least Expensive. 147.15$
Store A would be least expensive
The difference between a blue whale's heart and a African bull elephant heart is 2963.27 lbs. it will take 49 African bull elephant's heart to equal one blue whale's heart.
A number times 1 always equals itself, so: 4×1 = 4, OR 2×2 = 4