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Mathematics, 03.02.2021 17:50, Geo777
Riley and Jace work at a dry cleaners ironing shirts. Riley can iron 25 shirts per hour,
and Jace can iron 30 shirts per hour. Riley worked 3 more hours than Jace and they
ironed 460 shirts between them. Write a system of equations that could be used to
determine the number of hours Riley worked and the number of hours Jace worked.
Define the variables that you use to write the system.
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Answers: 2
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Mathematics, 22.06.2019 00:30, sanfordl
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
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Riley and Jace work at a dry cleaners ironing shirts. Riley can iron 25 shirts per hour,
and Jace c...
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