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zmey [24]
3 years ago
15

The ratio of the number of volleyball to the number of basketballs in the P.E room is 4:7 .there are 21 basketballs . How many v

olleyballs are there?
Mathematics
1 answer:
densk [106]3 years ago
8 0
Let volleyball be v and let basketball be b.

v : b = 4 : 7,      b = 21

v : 21 = 4 : 7

v/21 = 4/7

7*v = 4*21

v = 4*21/7

v = 4*3

v = 12

Volleyballs are 12

Hope this helps.
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a worker A finishes a project on his own in 12 days. the worker completes the same work alone in 16 days. the two workers starte
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<u>Proportions</u>

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Step-by-step explanation:

Hope this helps! Have a nice day!

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Read 2 more answers
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