# math

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The charge for renting a rowboat on Loon Lake is D dollars per hour plus c cents for each minute into the next hour. How many dollars will Mr.Wilson pay if he used a boat from 3:40 P.M. to 6:20 P.M.

• math -

3:40 to 6:20 is just 2 hours and 40 minutes.

That should get you going.

• math -

ya don't say. I got the answer 2D+40c. but the answer key said it was 2D+.4c

• math -

that's because you mixed up dollars and cents. It asked for only dollars.

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