The gas tank of tyrell's truck holds 19.8 gallons. when the tank empty, tyrrell fills it with gas that costs $3.65 per gallon. about how much will it cost to fill the tank?

It is given in the question that

The gas tank of Tyrell's truck holds 19.8 gallons. when the tank empty, Tyrrell fills it with gas that costs $3.65 per gallon.

It means cost of one gallon of gas is $3.65 .

And the tank hold 19.8 gallon . So cost of 19.8 gallon is

Therefore about $72.27 it will cost to fill the tank .

What we need to know here is what the relationship between a square foot and a square inch is.

one food is 12 inches. One square food would be 12*12=144 inches

so to find out what the pressure on each square inch is, we have to multiply the pressure on square pount (64) by number of square inches: