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3 years ago

Sydawna has two part-time jobs. Her earnings for one week are represented by the equation: E = 9.25g + 10.50t

Mathematics

1 answer:

Iteru [2.4K]3 years ago

4 0

Answer:

9 hours

Step-by-step explanation:

Given the equation:

E = 9.25g + 10.50t

E - weekly total, g- number of hours at gas station, t- number of hours at toy store.

Substitute given values into equation and solve for the missing one:

219.75 = 9.25g + 10.5*13
219.75 = 9.25g + 136.5
9.25g = 219.75 - 136.5
9.25g = 83.25
g = 83.25/9.25
g = 9

Sydawna works 9 hours at the gas station

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Step-by-step explanation:

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