elliebellymm1069 elliebellymm1069

11-11-2022
Mathematics

Answered

Anna is working two summer jobs, making $9 per hour washing cars and $12 per
hour landscaping. Last week Anna worked a total of 7 hours and earned a total of
$78. Determine the number of hours Anna worked washing cars last week and the
number of hours she worked landscaping last week.

Answer :

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