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Chaya bought 20 copies for 360 state the cost of one copy |
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Answer» ong>Answer: The COST of one pen or two copies is 40. How MUCH is the price of 5 pens and 20 copies?First we will make expressions using the values from your STATEMENT:x=402y=40 -> y=20Now we can make an equation using them, to find the total price which we will CALL z:5x+20y=z(5∗40)+(20∗20)=z200+400=z600=z |
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