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Total 100 parts. 9-inch parts = 4 times the number of 8-inch parts. Number of 3-inch parts is 15. [cite: 2223, 2224]
|Question 13Math
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Which equation represents this situation?
9(4n)+8n+3(15)=100
A
9n+8n+3n=100
B
4n+n+15=100
C
5n+15=100
D