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Elina [12.6K]
4 years ago
12

7. In a survey of 50 students, 40% said they mow lawns on Saturday. Of the students who mow lawns, 25% sleep until

Mathematics
1 answer:
earnstyle [38]4 years ago
6 0

Answer: 20 students mow on Saturday, 3 of those sleep until noon. Those who don’t mow the lawns, 21 of them sleep until noon.

Step-by-step explanation: 40% of 50 is 20. 25% of 20 is 3. 50-20=30. 70% of 30 is 21

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What is the area of a rectangle that measures 9cm by 81mm?
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