A train travels from City A to City B, a distance of 240 miles, then returns. Going, it averages 60 mph. Returning, it averages 80 mph. How many total hours does the round trip take?
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12 questions
A train travels from City A to City B, a distance of 240 miles, then returns. Going, it averages 60 mph. Returning, it averages 80 mph. How many total hours does the round trip take?
A recipe requires cup of sugar to make 24 cookies. A baker wants to make 60 cookies. How many cups of sugar are needed?
A 10-foot ladder leans against a wall. The base of the ladder is 6 feet from the wall. How high up the wall does the ladder reach?
Water is pumped into a tank at 12 gallons per minute and drained at 5 gallons per minute. If the tank starts empty and holds at most 350 gallons, after how many minutes will the tank be full?
Two pipes fill a pool. Pipe A can fill the pool alone in 6 hours; Pipe B alone in 4 hours. Working together, how many hours does it take to fill the pool?
A cylindrical can has a radius of 3 cm and a height of 10 cm. A second cylindrical can has the same volume but a radius of 5 cm. What is the height of the second can, in cm?
A store marks up items by 40% to set the retail price, then offers a 25% coupon. A customer buys an item whose wholesale cost was \80$. What does the customer pay?
A store sells notebooks for \3.50$ each. During a sale, the price is reduced by 20%. How much does a customer pay for 4 notebooks at the sale price?
A rectangle has a perimeter of 36 cm. If its length is three times its width, what is the area of the rectangle in cm²?
A car travels 150 miles in 2.5 hours. At this same rate, how many miles will it travel in 4 hours?
A class of 30 students took a test. The average score was 74. Then 5 more students took the same test and scored an average of 82. What is the overall average score of all 35 students?
A store increases a price by 30%, then later decreases that new price by 30%. Compared to the original price, the final price is: