Mathematics, 27.03.2020 05:16 niceguy1997
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 li...
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