Question

Suppose that the amount of algae in pound doubles every hour. If the pond initially contains 50 pounds of algae how much algae will be in the bond after 4 hours

Answer 1

250

Explanation:

because 50 + (4 x 50) that equals 50 + 200 = 250

Answer 2

One that is a lot of algae

two 50 x 2 = 100 x 2 = 200 x 2 = 400 x 2 = 800

1 2 3 4

That is a lot of algae

800 pounds would be your answer after 4 hours