Mathematics, 17.12.2019 06:31 drippyyahja
3/5 of a certain class left on a field trip. 1/3 of the students who stayed behind did not want to go on the field trip (all the others did want to go). when another vehicle was located, 1/2 of the students who did want to go on the field trip but had been left behind were able to join. what fraction of the class ended up going on the field trip?
Answers: 3
Mathematics, 21.06.2019 15:20
Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative
Answers: 1
Mathematics, 21.06.2019 21:40
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?
Answers: 2
3/5 of a certain class left on a field trip. 1/3 of the students who stayed behind did not want to g...
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