How many fractions are equivalent to 4/5 explain

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.