Answer:
you are correct, they are supplementary
Step-by-step explanation:
386 divided by 20 is 19.3 so Greg averaged 19.3 miles per gallon.
Answer:
P=648
Step-by-step explanation:
Multiply the equations by 2 and then subtitude,
21.6 miles per gallon
Multiplied by 6.2 gallons
21.6 * 6.2 = 133.92
Cheryl can travel 133.92 (or about 134) miles on 6.2 gal. of gas.
Hope that helped!