Question

A dam has a floodgate. When it is open, it lets out 10,000 gallons of water per minute.

How many gallons of water will it let out in 10 minutes?
A. 1,000
B. 10,000
C. 100,000
D. 1,000,000

Answer 1

Answer: C. 100,000 gallons

Explanation:

10,000 gallons a minute.

10 minutes.

10,000 x 10 = 100,000.

Gallons: 10,000 20,000 30,000 40,000 50,000 60,000

Minutes: 1 2 3 4 5 6

... 70,000 80,000 90,000 100,000

... 7 8 9 10