SOLUTION: Sonya runs a small store. She wants to display the cans of corned beef by stacking them in the shape of a triangle. Sonya's shelf can accommodate 7 rows of cans stacked on top of e
Question 1039331: Sonya runs a small store. She wants to display the cans of corned beef by stacking them in the shape of a triangle. Sonya's shelf can accommodate 7 rows of cans stacked on top of each other. If each row has 2 cans more than the row above it, and the topmost row contains 5 cans, how many cans did Sonya place at the bottom? Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!
Count them and see:
Or you can use the formula for the nth
term of an arithmetic sequence with first term a1=5,
number of terms n=7, common difference d=2.
Edwin