
Noor N.
asked 02/26/21Stefanie worked four hours less than twice the number of hours worked by Mary-Ann. Carl worked fifteen hours more than Stefanie. The three of them combined worked a total of 457 hours.
Three co-workers, Mary-Ann, Stefanie, and Carl, are employed in the technology industry. Their hourly wage is $28.50.
During the month of June, Stefanie worked four hours less than twice the number of hours worked by Mary-Ann. Carl worked fifteen hours more than Stefanie. The three of them combined worked a total of 457 hours.
1 Expert Answer

Mark M. answered 02/26/21
Mathematics Teacher - NCLB Highly Qualified
m represents Mary-Ann's hours
2m - 4 represents Stephanie's hours
(2m - 4) + 15 represents Carl's hours
m + (2m - 4) + (2m - 4) + 15 = 457
Can you solve for m and answer?
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Brenda D.
02/26/21