Homework Help: math

Posted by sam on Thursday, March 7, 2013 at 4:10pm.

ed needs to purchase 5.6 meters of tape. if each roll contains 80 cm and costs 5.00 what is the total cost of the tape ed must buy

math - Dr. Jane, Thursday, March 7, 2013 at 4:12pm
5.6 meters x 100 cm/meter = 560 cm.

Now, we have the same units.

divide 560 by 80 cm to get the numer of rolls you have to buy.

Multiply that answer times $5 per roll
math - sam, Thursday, March 7, 2013 at 6:49pm
thank you I UNDERSTAND IT NOW

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