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In a jar of marbles, the ratio of green marbles to black marbles is 3:5. If the jar contains 21 green marbles, how many black marbles are in the jar? green 3 21 black 5 ? Your a…

In a jar of marbles, the ratio of green marbles to black marbles is 3:5. If the jar contains 21 green marbles, how many black marbles are in the jar? green 3 21 black 5 ? Your a…
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In a jar of marbles, the ratio of green marbles to black marbles is 3:5. If the jar contains 21 green marbles, how many black marbles are in the jar?

green 3 21
black 5 ?




Your answer:

10


12


30


35

asked
User Tom F
by
7.5k points

1 Answer

2 votes

Answer:

there are 35 black marbles in the jar

Explanation:

3*7=21

so..

5*7=35

answered
User Nils Weinander
by
8.7k points
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