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Anna [14]
3 years ago
11

In a pile of coins there are 7 more quarters than nickels.If there is a total of 2.65 in coins how many quarters are there?

Mathematics
1 answer:
brilliants [131]3 years ago
7 0
25 x 10 = 2.50 》》10 Quarters
+
5 x 3 = 0.15 》》3 Nickles
=
2. 65
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Answer:

<h3>\boxed{ \frac{24}{5} }</h3>

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⇒\mathrm{ \frac{45 + 3}{10 } }

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Further more explanation:

<u>Addition </u><u>and </u><u>Subtraction</u><u> </u><u>of </u><u>like </u><u>fractions</u>

While performing the addition and subtraction of like fractions, you just have to add or subtract the numerator respectively in which the denominator is retained same.

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Subtract : \mathsf{ \frac{5}{7}  -  \frac{4}{7}  =  \frac{5 - 4}{7}  =  \frac{3}{7} }

So, sum of like fractions : \mathsf{ =  \frac{sum \: of \: their \: number}{common \: denominator} }

Difference of like fractions : \mathsf{ \frac{difference \: of \: their \: numerator}{common \: denominator} }

<u>Addition </u><u>and </u><u>subtraction</u><u> </u><u>of </u><u>unlike </u><u>fractions</u>

While performing the addition and subtraction of unlike fractions, you have to express the given fractions into equivalent fractions of common denominator and add or subtract as we do with like fractions. Thus, obtained fractions should be reduced into lowest terms if there are any common on numerator and denominator.

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\mathsf{ =  \frac{6}{5}  \times  \frac{25}{3}  = 2 \times 5 \times 10}

Hope I helped!

Best regards!

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