John drives 257 miles and uses 9 gallons of gas. how many miles per gallon did he get? without calculating the answer, from the choices given, which is most reasonable? a. 100 miles per gallon b. –6 miles per gallon c. 30 kilometers per liter d. 25 miles per gallon

Option D

Step-by-step explanation:

Given that John drives 257 miles and uses 9 gallons of gas.

we can find unit rate as

Per galon mileage given = 257/9 = 28

ANd units are miles/gallon

100 miles per gallon is very far from 28 hence incorrect

6 miles per gallon is very low

30 is right but unit is wrong

Hence option D is the right answer.

c

-by-step explanation:

it would be c

2x + 8

step-by-step explanation: