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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

Frances can complete 9191 oil changes in 77 days.\newlineHow many oil changes can Frances complete in 1111 days?\newlineoil changes

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Full solution

Q. Frances can complete 9191 oil changes in 77 days.\newlineHow many oil changes can Frances complete in 1111 days?\newlineoil changes
  1. Determine Rate Calculation: Determine the rate at which Frances completes oil changes per day.\newlineTo find the rate, divide the total number of oil changes by the number of days.\newlineRate =Total oil changesNumber of days= \frac{\text{Total oil changes}}{\text{Number of days}}\newlineRate =91 oil changes7 days= \frac{91 \text{ oil changes}}{7 \text{ days}}
  2. Rate Calculation: Calculate the rate at which Frances completes oil changes per day. 91 oil changes7 days=13 oil changes per day\frac{91 \text{ oil changes}}{7 \text{ days}} = 13 \text{ oil changes per day}
  3. Total Changes in 1111 Days: Use the rate to find out how many oil changes Frances can complete in 1111 days.\newlineMultiply the daily rate of oil changes by the number of days.\newlineTotal oil changes in 1111 days = Daily rate of oil changes ×\times Number of days\newlineTotal oil changes in 1111 days = 1313 oil changes per day ×\times 1111 days
  4. Total Changes Calculation: Calculate the total number of oil changes Frances can complete in 1111 days.\newline1313 oil changes per day ×11\times 11 days =143= 143 oil changes

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