Mathematics, 12.11.2019 17:31 anna8352
Ravi and tikiera are making halloween pencil toppers to raise money for the math club. ravi can make one pencil topper in 10 minutes and tikiera can make one pencil topper in 9 minutes. if they work together, how quickly can they make one pencil topper? round your answer to the nearest tenth of a minute.
Answers: 1
which is about 4.7 minutes!
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Ravi and tikiera are making halloween pencil toppers to raise money for the math club. ravi can make...
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