Alonzo drove 535 miles on 21 gallons of gas. How many miles did he drive per gallon?

Roughly 25.47 miles per gallon.

Step-by-step explanation:

You're trying to find a rate here. Simply divide 535 by 21 to get your answer. Notice how the units don't cancel here, that is crucial, since you're measuring how far you get on one gallon, the units show that distinction.

If this helped, a brainliest would be greatly appreciated!

25.5 approximately miles per a gallon

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

answer: you need the equation in the question so i can answer it

step-by-step explanation: