Question
One honeydew cost 4 times as much as one starfruit. Mrs Zhang bought 2 honeydews and 3 starfruits for $15.40. How much would 10 honeydews and 7 starfruits cost? Express the answers to 2 decimal places.
3 m

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One honeydew cost 4 times as much as one starfruit. Mrs Zhang bought 2 honeydews and 3 starfruits for $15.40. How much would 10 honeydews and 7 starfruits cost? Express the answers to 2 decimal places.