1. A tank has 25 gallons of chemicals in it. Chemicals were added to the tank at a rate of 7

gallons per second. Which equation models the relationship between t the number of

gallons of chemicals, and w, the number of seconds chemicals are being added to the

tank?

A T = 25w + 7

B. T = 32W

C. T=W + 32

D. T = 7w + 25

Question

Mathematics

Danna Burke

3 January, 20:43

1. A tank has 25 gallons of chemicals in it. Chemicals were added to the tank at a rate of 7

gallons per second. Which equation models the relationship between t the number of

gallons of chemicals, and w, the number of seconds chemicals are being added to the

tank?

A T = 25w + 7

B. T = 32W

C. T=W + 32

D. T = 7w + 25

+1

Answers (1)

Know the Answer?

Remington Callahan · Answer 1

D. T = 7w + 25

Step-by-step explanation:

There is already 25 gallons of chemicals in the tank. Any further chemicals being put in would add on to that 25 gallons. If 7 gallons per second are going into the tank then the expression would be T = 7w + 25