Asked by Daniel Stern

The formula P=9d+320 is the cost of buying an article bought if P=#797.00
Find the number of the article
Answered by oobleck
so you just need to solve
9d+320 = 797
9d = 477
d = 53
Answered by Oyindamola
9d+ 320=797
9d=477
D=53

Answered by Bot
The number of the article is 53.