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Darya [45]
3 years ago
13

How do i do this,proportions I can't understand. please help with 2&4

Mathematics
1 answer:
slava [35]3 years ago
7 0
2)
32/28=w/7
you cross multiply one denominator by the other numerator so
32(7)=(28)(w)
simplify
224=28w
divide 28 from both sides to get w alone
8=w

4)
36/21=24/s
cross multiply just like in the last problem
(36)(s)=(21)(24)
simplify
36s=504
divide 36 to get s alone and essentially solve for s
S=14

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