# math

Four friends contributed money in the ratio 2:4:5:7.If the largest amount contributed was \$1.40, calculate the total amount contributed by all four people?

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3. π 174
1. The largest amount is \$1.40, and the largest ratio is 7.
So
2:4:5:7 = ? : ? : ? :\$1.40
Can you take it from here?

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posted by MathMate
2. If you multiply 7 by \$0.2, you will get \$1.40.
So for the first case, you also multiply 2 by \$0.2 to get \$0.40.
2:4:5:7 = \$0.40: ? : ? : \$1.40
You can take it from here?

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posted by MathMate
3. No

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posted by J
4. \$7.20

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posted by Krissy

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