If you receive an 80%, 75% , 70% and 82% in four math tests, what grade do you need to on the fifth test to average an 80% in the course. Remember to set up the linear equation and solve.

93% on the final test

Step-by-step explanation:

b.) 160 miles on a 5 gallons car

step-by-step explanation:

240/10=24 miles/gallon

160/5=32 miles/gallon

30/1=30 miles/gallon

168/6= 28 miles/gallon

32 miles/gallon is the most amount, so this is the best.