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Temka [501]
3 years ago
15

ASAP

Mathematics
1 answer:
muminat3 years ago
7 0

Answer:

a) \left \{ {{8x+218=y} \atop {5x+521=y}} \right.,   b) $101

Step-by-step explanation:

Hermes: 8 envelopes, $218

Apollo: 5 envelopes, $521

If x is the amount in each envelope, H is the amount Hemes has and A is the amount Apollo has, this would be a possible system of equations.

\left \{ {{8x + 218 = H} \atop {5x +521 = A}} \right.

If Apollo and Hermes both had the same amount of total money, A and H could equal y

\left \{ {{8x+218=y} \atop {5x+521=y}} \right.

We want to find the amount in each envelope (x), so we can substitute y in the first equation for y in the second equation:

8x+218=5x+521

Subtract 5x from both sides

3x+218=521

Subtract 218 from both sides

3x=303

Divide both sides by 3

x=101

So there would have to be $101 in both envelopes for Apollo and Hermes to have the same amount of total money.

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Answer:

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Step-by-step explanation:

Given:

Rate of tax = 20%

Price pay by Mathew = $1,080

Find:

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Computation:

Original price of bicycle = Price pay by Mathew[1 / (1-20%)]

Original price of bicycle = 1,080[1 / (1-20%)]

Original price of bicycle = 1,080[1 / (1-0.2)]

Original price of bicycle = 1,080[1 / (0.8)]

Original price of bicycle = 1,080[1.25]

Original price of bicycle = 1,080[1.25]

Original price of bicycle = $864

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Step-by-step explanation:

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i hope it help ο(=•ω<=)ρ⌒☆

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