Acar travels 430 miles and uses 18 gallons. how many miles per gallon does the car need

23.88 miles/gallon.

Step-by-step explanation:

Given data:

Total distance covered by car = 430 miles

Total gallons used by car = 18 gallons

Miles per gallons = ?

Solution:

Miles per gallon car does = Total distance covered by car/Total gallons used by car

By putting values in above formula:

Miles per gallon car does = 430 miles/18 gallons

                                           = 23.88888 miles/gallon

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3

if you need , reply with more info. u.