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The ratio of black tiles to red tiles is 3 to 7. If 63 back tiles are used for a prject,how many red tiles would be used. PLEASE HELP
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3 votes
The ratio of black tiles to red tiles is 3 to 7. If 63 back tiles are used for a prject,how many red tiles would be used.

PLEASE HELP

User Aajan
by
7.4k points

1 Answer

3 votes

Answer:

63:147

Explanation:

Because 3*21= 63 and 7*21= 147

User Marita
by
7.9k points
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