A man had 432 watches. He sells 1 watch everyday. The algebraic expression to show that the number of watches he would be left with after 't' weeks is?
Question
A man had 432 watches. He sells 1 watch everyday. The algebraic expression to show that the number of watches he would be left with after 't' weeks is?
Solution
The man sells 1 watch every day. In a week, there are 7 days. So, in 't' weeks, he would have sold 7*t watches.
He initially had 432 watches. So, after 't' weeks, the number of watches he would be left with can be represented by the algebraic expression:
432 - 7t
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