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3 years ago

Shaylee has 77 pennies. She will trade in the pennies to get nickels.

2 answers:

6 0

0.77 / 0.05 = 15.4 ...so we know it is 15 nickels
15 * 0.05 = 0.75.....0.77 - 0.75 = 0.02....with 2 pennies left over

ur answer is : 15 nickels and 2 pennies left over

Ugo [173]3 years ago

3 0

The answer is D, comment for an explanation

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Svetradugi [14.3K]

Answer:

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Step-by-step explanation:

I think this is QUITE obvious but

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3 years ago

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16. If y varies directly as x, and x = 9 when y = 15, find y when x = 33?

inna [77]

Answer:

y=55 when x is 33

Step-by-step explanation:

Use the direct variation formula:

$\frac{y}{x} =k$ or $\frac{y}{x} =\frac{y}{x}$

Insert the given values:

$\frac{15}{9}=\frac{y}{33}$

To simplify the equation, cross multiply:

$15(33)=9(y)\\\\495=9y$

Isolate the variable. Divide both sides by 9:

$\frac{495}{9} =\frac{9y}{9} \\\\55=y$

Therefore, when x is 33, y is 55.

:Done

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Step-by-step explanation:

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2 years ago

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