nobdy39 nobdy39
  • 18-05-2022
  • Mathematics
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tuesdayminhnguyen
tuesdayminhnguyen tuesdayminhnguyen
  • 18-05-2022

Answer:
Inequality 7n - 22 >= 64
Solution   7n > = 64 + 22
                7n >= 86
                  n => 12. 28 rounded down to 12
                     Grace must wash at last 12 cars

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