Matthews test grades were 80 92 85 91 and 88 find the mean of his grades
1 answer:
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Answer:
p = 2.7x - 20
p(90) = $223
Step-by-step explanation:
revenue → f(x) = 3x ,where x is the number of downloads.
the statement “Your profit p is $20 less than 90% of the revenue for x downloads”
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………………………………
the profit for 90 downloads :
= p(90)
= 2.7×(90) - 20
= $223