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stellarik [79]
2 years ago
6

Erica earned a total of $50,450 last year from her two jobs. The amount she earned from her job at the store was $1,250 more tha

n four times the amount she earned from her job at the college. How much did she earn from her job at the college?
Mathematics
1 answer:
Mariana [72]2 years ago
5 0

Erica earned a total of $50,450 last year from her two jobs. The amount she earned from her job at the store was $1,250 more than four times the amount she earned from her job at the college.

Lets x be the amount she earned from here job at college

amount she earned at the store = 4 * amount earned at college + 1250

= 4x + 1250

Amount earned at college + amount earned at store = 50450

x + 4x + 1250 = 50450

5x + 1250 = 50450

Subtract 1250 from both sides

5x = 49200 (divide by 5)

x = 9840

she earn $9840 from her job at the college

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Answer:

Notebook is $4

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Step-by-step explanation:

Let notebooks be x and thumb drives be y

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These two are simultaneous equation. Multiplying the first equation by 7 and second by 3 we obtain

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y=$299/13=$23

To get the value of x, we substitute the value of y into the first equation

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