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HELP ASAP !! the ratio of math students who use mechanical pencils to those that use regular pencils is 3/5 if 432 students use mechanical pencils how many students use regular …

HELP ASAP !! the ratio of math students who use mechanical pencils to those that use regular pencils is 3/5 if 432 students use mechanical pencils how many students use regular …
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3 votes
HELP ASAP !!

the ratio of math students who use mechanical
pencils to those that use regular pencils is 3/5 if 432 students use mechanical pencils how many students use regular pencils?

asked
User Dumbledad
by
8.1k points

1 Answer

2 votes
We have an equation: 432/?= 3/5

Cross multiply:
3*?= 432*5
⇒ ?= 432*5/3= 720

720 students use regular pencils~
answered
User Ashnazg
by
8.7k points
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