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3 years ago

Debra's penny bank is 1 4 full. After she adds 360 pennies, it is 5 8 full. How many pennies can Debra's bank hold?

Mathematics

2 answers:

forsale [732]3 years ago

7 0

What the girl or boy said is the right answer

11Alexandr11 [23.1K]3 years ago

4 0

5/8 - 1/4 = 3/8
360 pennies = 3/8 of a full penny bank.

360/ (3/8) = x/ 1
(3/8)x = 360(1)
Multiply both sides by the reciprocal of (3/8)
(8/3)(3/8)x = (8/3)(360)
x = 960 pennies

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nlexa [21]

Answer:

x=9 and y=115

Step-by-step explanation:

Solve y=9x+34;y=16x−29

Steps:

I will solve your system by substitution.

y=9x+34;y=16x−29

Step: Solvey=9x+34for y:

Step: Substitute9x+34foryiny=16x−29:

y=16x−29

9x+34=16x−29

9x+34+−16x=16x−29+−16x(Add -16x to both sides)

−7x+34=−29

−7x+34+−34=−29+−34(Add -34 to both sides)

−7x=−63

−7x

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−63

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(Divide both sides by -7)

x=9

Step: Substitute9forxiny=9x+34:

y=9x+34

y=(9)(9)+34

y=115(Simplify both sides of the equation)

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3 years ago

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Whitepunk [10]

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4 years ago

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allochka39001 [22]

Step-by-step explanation:

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2 years ago

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3 years ago

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