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IRINA_888 [86]
3 years ago
7

Nicole has x dimes and y nickels. She has at least 15 coins worth a maximum of $1

Mathematics
1 answer:
Sonbull [250]3 years ago
7 0

Answer:

Step-by-step explanation:

X + Y \geq 15\\\\10X + 5Y \leq 100

we want to put it into terms of Y

y \geq 15 - x\\and\\5y \leq 100 - 10x\\y \leq 20 - 2x

the graph is in the attached image. Any point in the shaded overlap region where x is greater than or equal to 0 (assuming you cannot have negative coins) works, e.g. (2, 14)

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Read 2 more answers
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Answer: To clear an equation of decimals, multiply each term on both sides by the power of ten that will make all the decimals whole numbers. In our example above, if we multiply .25 by 100, we will get 25, a whole number. Since each decimal only goes to the hundredths place, 100 will work for all three terms.

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Let's look at one more:

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Step-by-step explanation:

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