Asked by gift

The formula P=9d + 320 is the cost of buying an article "p" while "d" is the number of articles bought.
if P=N797.00 find the number of articles.

6 years ago

Answered by Reiny

then 9d + 320 = N797.00 , I assume N is some unit of money
d = N(797.00 - 320)/9 = ....

6 years ago

Answered by Adijat

The answer

3 years ago

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