's car will go 310 miles on 15.5 gallons of gasoline in highway driving.
a) how many gallons will it take to drive 2524 miles from her house to a friend's house?
b) how far can the car be driven on 137 gallons of gasoline?

a. 126.20 gallons.

               b. 2740 miles.

Step-by-step explanation:

We will use unitary method in this question.

a) ∵ 310 miles can be covered by a car with the help of 15.5 gallons of gasoline

   ∴ 1 mile can be covered = gallons

   ∴2524 miles can be covered =

                                                     = 126.20 gallons

b). ∵ With 15.5 gallons of gasoline car can be driven = 310 miles

     ∴ With 1 gallon of gasoline car can go = 310/15.5 miles

     ∴ With 137 gallons can can go = (310×137)/15.5 miles

                                                         = 2740 miles.

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

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step-by-step explanation: