Suppose the original quantity is 75 and the new quantity is 105. What is the percent change?
2 answers:
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Answer:
(a). 32 copies
(b). $3060
Step-by-step explanation:
<u>Solution for (a):</u>
<u />
P = 60c + 1800
If P is $3720 then;
3720 = 60c + 1800
60c = 3720 - 1800 = 1920
c = = 32 copies
<u>Solution for (b):</u>
<u />
P = 60c + 1800
If c is 21 then;
P = $60(21) + $1800
P = $1260 + $1800
P = $3060