SOLUTION: Mr. Chan buys y postcards at $2 each and (y + 1) other postcards at $5 each. If he spends $54 altogether, find the value of y.

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Question 305212: Mr. Chan buys y postcards at $2 each and (y + 1) other postcards at $5 each. If he spends $54 altogether, find the value of y.
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Mr. Chan buys y postcards at $2 each and (y + 1) other postcards at $5 each. If he spends $54 altogether, find the value of y.
2y+5(y+1)=54
2y+5y+5=54
7y=49
y=7