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Burka [1]
3 years ago
14

The ratio of pencils to erasers is 4:1 if there are 20 pencils how many erasers are there? Kerion has a beaded necklace business

she can make 12 necklaces in 2 hours how long will it take her to make 9 necklaces
Mathematics
1 answer:
Misha Larkins [42]3 years ago
7 0

Answer:

we express the ratio of pencil to eraser and multiply it by the number of the number of pencils and erasers. 4/5 * x=20 , so x=25, then it implies that there are 5 erasers.

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