A man has 340 watches. He sells W watches everyday. Write an algebraic expression to show the number of watches he would be left with after T weeks.
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Answer:
Total no of watches is 350
let the no of watches be x
If he sells w watches everyday, then he sell 7w watches in a week
The no of weeks is t
Then he sells 7w*t watches in t weeks
Now the no of watches he is left are:
350-7w*t=x
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