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enyata [817]
3 years ago
12

Trish made a few pans of Brownies to sell. Rachel also contributed 5 pans. Each pan of brownies was cut into 12 squares. If ther

e were a total of 84 brownies, how many pans of brownies did Trish make.
Mathematics
1 answer:
vitfil [10]3 years ago
7 0

Answer: 7 pans

Step-by-step explanation: If it’s saying how much only Trish made then you would have to divide 84 by 12, you get 7. If you wanted to contribute Rachel’s pan into this problem, you would have 12 pans

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They are supplementary.

Step-by-step explanation:

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X=4 is your answer because 27 minus 7 is 20 and 20 divided by 5 is 4 have a good day
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The measure of an angle is 138°. What is the measure of its supplementary angle?
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The  measure of its supplementary angle is 42 degrees

The sum of supplementary angle is qual to 180 degrees

Let the required angle be x

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What is 18 2 rounded to the nearest whole number?<br> 56
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3 years ago
A child has $6.17 in change in her piggy bank. The change consists of 113 coins in a mix of pennies, nickels and quarters. If th
Natali5045456 [20]

There are 12 pennies, 96 nickels and 5 quarters in piggy bank

<em><u>Solution:</u></em>

Let "p" be the number of pennies

Let "n" be the number of nickels

Let "q" be the number of quarters

We know that,

1 penny = 1 cent

1 nickel = 5 cents

1 quarter = 25 cents

<em><u>The change consists of 113 coins in a mix of pennies, nickels and quarters</u></em>

Therefore,

p + n + q = 113 ----------- eqn 1

<em><u>There are 8 times as many nickels as pennies</u></em>

Number of nickels = 8 times number of pennies

n = 8p ------------ eqn 2

<em><u>A child has $6.17 in change in her piggy bank</u></em>

$ 6.17 = 617 cents

Therefore, we frame a equation as:

1 penny x number of pennies + 1 nickel x number of nickel + 1 quarter x number of quarters = 617

1 \times p + 5 \times n + 25 \times q = 617

p + 5n + 25q = 617 ---------- eqn 3

<em><u>Let us solve eqn 1 , eqn 2, and eqn 3</u></em>

<em><u>Substitute eqn 2 in eqn 1</u></em>

p + 8p + q = 113

9p + q = 113

q = 113 - 9p ---------- eqn 4

<em><u>Substitute eqn 2 in eqn 3</u></em>

p + 5(8p) + 25q = 617

41p + 25q = 617  -------- eqn 5

<em><u>Substitute eqn 4 in above eqn 5</u></em>

41p + 25(113 - 9p) = 617

41p + 2825 - 225p = 617

184p = 2208

Divide both sides of equation by 2208

<h3>p = 12</h3>

<em><u>Substitute p = 12 in eqn 4</u></em>

q = 113 -9(12)

q = 113 - 108

<h3>q = 5</h3>

<em><u>Substitute p = 12 in eqn 2</u></em>

n = 8(12)

<h3>n = 96</h3>

Thus there are 12 pennies, 96 nickels and 5 quarters in piggy bank

5 0
3 years ago
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