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The ratio of davids typing speed to lisas is 11:9. Lisa can type 54 words per minute if david and lisa work together to type 4800 words article, how many minutes are needed

The ratio of davids typing speed to lisas is 11:9. Lisa can type 54 words per minute if david and lisa work together to type 4800 words article, how many minutes are needed
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the ratio of davids typing speed to lisas is 11:9. Lisa can type 54 words per minute if david and lisa work together to type 4800 words article, how many minutes are needed

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User Lukart
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Answer:

40 minutes are needed.

Explanation:

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User Frodopwns
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