Question 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. How much did she earn from her job at the college?
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Bonus Knowledge
To solve the problem, let's define the amount Erica earned from her job at the college as \( x \). According to the information provided, her earnings from her job at the store can be expressed as \( 4x + 1,250 \). The total earnings from both jobs add up to \( \$ 50,450 \). Therefore, we can set up the equation: \[ x + (4x + 1,250) = 50,450 \] Combining like terms, we have: \[ 5x + 1,250 = 50,450 \] Now, subtract \( 1,250 \) from both sides: \[ 5x = 50,450 - 1,250 \] \[ 5x = 49,200 \] Next, divide both sides by \( 5 \): \[ x = \frac{49,200}{5} \] \[ x = 9,840 \] So, Erica earned \( \$ 9,840 \) from her job at the college! To find out how much she earned from her job at the store, plug \( x \) back into the store's earnings formula: \[ 4x + 1,250 = 4(9,840) + 1,250 = 39,360 + 1,250 = 40,610 \] Erica earned \( \$ 40,610 \) from her store job. Thus, the amounts are \( \$ 9,840 \) from the college and \( \$ 40,610 \) from the store, confirming that her total earnings sum correctly to \( \$ 50,450 \). You did it!
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