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Frances can complete 91 oil changes in 7 days. How many oil changes can Frances complete in 11 days? oil changes
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Frances can complete 91 oil changes in 7 days.

How many oil changes can Frances complete in 11 days?

oil changes

User Sholsinger
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2 Answers

4 votes
91 / 7 = 13; 13 * 11 = (143 oil changes)
User Carson Pun
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6.7k points
2 votes
ratio problem:

91 changes = 7 days
----------------- --------
x 11 days

7x = 1001
x = 143
User Septagram
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6.8k points
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