x is the total time in minutes for the free response
you are given number of questions as 15 - m and time per item as 8 minutes
to find x multiply the two givens together:
x = 8 * (15-m) = 8(15-m)
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Mathematics, 20.06.2019 18:02
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If a revenue in total for a month was $9,950, fixed expenses were $9,000, and variable expenses were $300 what would be the total profit/ loss for the month?