You make 35 postcards and sell them for D dollars each. The table to the right shows the predicted sales for different prices, D
1 answer:
The representations are:
- D represents the price of each postcard
- 35 - 5D represents the number of postcard sold
- D(35 - 5D) represents the income from the sales
Expressions are mathematical statements that contain all of the followings
- Numbers
- Mathematical operator
- Variables
The expression is given as:
From the question, we understand that:
- D represents the price of each postcard
- D(35 - 5D) represents the income from the sales
The above highlights mean that: 35 - 5D represents the number of postcard sold
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