Aperson suffering from anaemia gets tired

the expression 15n + 2(3p) represents the amount isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. which statement is true about the amount isaiah spent?

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000