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3 years ago

3/5 divided by 1 1/4

Mathematics

1 answer:

Kipish [7]3 years ago

6 0

Answer:

$\frac{12}{55}$

Step-by-step explanation:

To divide fractions, here are your steps:

1) Invert the fraction you are dividing by.

2) Multiply the numerators and denominators.

3) Simplify if necessary.

$\frac{3}{5}$ / $\frac{4}{11}$

$\frac{3 * 4}{5 * 11}$ = $\frac{12}{55}$

Cannot be further simplified.

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b) The coins are worth of 91 dollars i.e. $91 in the piggy bank.

Explanation:

Since we have given that

For every 2 nickels there are 3 dimes ,

So, their ratio will be 2:3

and for every 2 dimes there are 5 quarters.\,

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Now, we'll first find the ratio of nickles to dimes to quarters i.e.

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Now, let the number of nickle be 4x

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According to question,

$4x+6x+15x=500\\\\25x=500\\\\x=\frac{500}{25}=20$

So, number of nickels is given by

$4x=4\times 20=80$

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Number of quarters is given by

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As we know that

$1\ nickel=5\ cents\\\\1\ dime=10\ cents\\\\1\ quarter=25\ cents$

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Hence,

a) Number of nickels, dimes, and quarters are 80, 120, 300 respectively.

b) the coins are worth of 91 dollars i.e. $91 in the piggy bank.

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34kurt

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