pattyy51 pattyy51

09-12-2020
Mathematics

contestada

A book and a pen cost $18. The book and 2pens cost $21. What is the cost of the book

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kanoelanikipi kanoelanikipi

09-12-2020

Answer:

15 dollars

Step-by-step explanation:

21 - 18 = 3

18 - 3 = 15

I hope this helps have a good day and stay safe!

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Stell213 Stell213

09-12-2020

Answer:

15

Step-by-step explanation:

one pen is three dollars. that leaves 15 dollars left over.

If correct may l please have brainliest?

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