Martin drives 135 miles in 2.5 hours. at this rate, how far will he drive in 4 hours?

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earn $75 in interest. how much interest will she earn during the following year?

Which expression gives the exact value of x?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is