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Chapter 3: Q31. (page 151)

You are designing greeting cards on your computer to raise money for a charity. You buy cards stock at a cost of \(.50 per card and rent a table at the fundraiser for \)20. You will sell the cards in sets of 12 for $10.20. How many sets of cards do you have to sell in order to make more that you spend?

Short Answer

Expert verified

We have to sell at least 3 sets of cards to make more than we spend.

Step by step solution

01

Step-1 – Given

Given that:

The card stock cost is $ 50

The table rent is $ 20

The cost of selling card of set 12 is $ 10 .20.

02

Step-2 – To determine

We have to find the number of set of cards that we have to sell in order to make more than what we spend.

03

Step-3 – Calculation

Assume that s = the number of sets of selling cards.

Using the given information, the inequality is:

10.20s鈮�20+.50

We first add 20 and .50 then divide both sides by 10.20.

localid="1649252759999" 10.20s鈮�20.50s鈮�20.5010.20s鈮�2.09

So, we have to sell at least 3 sets of cards to make more than we spend.

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