Christine lives in Bangor, Maine , and her friend Denise Brown lives in Sioux City, Iowa. They both drive to Dade City, Florida, for the winter. The trip is 1600 miles for Christine and 1500 miles for Denise. If Christine drives 5 miles per hour faster than Denise, and if they take the same amount of time to complete the trip, determine the rate for Christine and the rate for Denise.

asked by drew

11 years ago

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1 answer

since time = distance/speed, and Christine's speed is c,

1600/c = 1500/(c-5)
c = 80

answered by Steve

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Question

Christine lives in Bangor, Maine , and her friend Denise Brown lives in Sioux City, Iowa. They both drive to Dade City, Florida, for the winter. The trip is 1600 miles for Christine and 1500 miles for Denise. If Christine drives 5 miles per hour faster than Denise, and if they take the same amount of time to complete the trip, determine the rate for Christine and the rate for Denise.

1 answer

since time = distance/speed, and Christine's speed is c,

1600/c = 1500/(c-5)
c = 80

Ask a New Question or answer this question.

Steve · Answer

since time = distance/speed, and Christine's speed is c, 1600/c = 1500/(c-5) c = 80