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Sedbober [7]
3 years ago
5

I will give 100 points to whoever has the best answer

Mathematics
1 answer:
Nikolay [14]3 years ago
6 0

Answer:

a)

\left\{\begin{matrix}g=525-s\\ g=s+25\end{matrix}\right.

c)

Gavin earned $275

Seiji earned $250

Step-by-step explanation:

a) Denoting s as the earning of Seiji and g the earnings of Gavin, we know they together earned $525. This forms the equation

s+g=525, or equivalently

g=525-s

We also know that Gavin earned $25 more than Seiji. It can be written as

g=s+25

Combining both equations we get the system

\left\{\begin{matrix}g=525-s\\ g=s+25\end{matrix}\right.

b)  The graph is shown below

c) Both functions have one point in common. It's the solution of the system. We can conclude that

Gavin earned $275

Seiji earned $250

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