Mathematics, 15.04.2020 02:46 osmanysalvador9

If Brianna mowed 48 lawns in 8 hours, what is the average number of lawns she mowed per hour?

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Mathematics, 21.06.2019 17:00, joylsbarbour

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

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Mathematics, 21.06.2019 19:30, rb3910

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

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Mathematics, 21.06.2019 20:30, BAJRY

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

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Mathematics, 21.06.2019 21:40, oprajapati

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?