News from Mathnasium of St. Peter's North
Word Problem Wednesday 7-4-18
Jul 4, 2018

Question: For lunch, Misha had a 590 calorie double cheeseburger, 595 calories of french fries, and a 440 calorie soda. If Misha can burn 650 calories per hour swimming at a vigorous pace, how long will it take Misha to burn off all her lunch calories?
Answer: 2 1/2 hours
Solution: Find the total calories for Misha’s whole meal, 590 + 595 + 440 = 1,625 calories. Misha can burn 650 calories per hour swimming so we need to find how many 650s are inside of 1,625. 650 + 650 = 1300. Leaving 1,625 − 1,300 = 325 calories, which is half of 650.
So, 650 + 650 + 325 = 1 hr + 1 hr + 1/2 hr = 2 1/2 hours to burn off her lunch.
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