A furnace used 40 percent of the fuel in its tank in the month of April. At the beginning of March, there were 240 gallons of fuel in the tank. How many student athletes signed up for a spring sport in 2012?

the correct option is b

step-by-step explanation:

where is the option given

8.75

how-to:

first, we need to find what we have to work with.

since i know that we have 7 (years) and 0.8 (inches), we can use these to solve and find the equation!

secondly, what you want to do, is see that we need to know how much growth out of the 0.8 inches he got in only 1 year, instead of 7 years.

let's try to divide.

7 ÷ 0.8 = 8.75