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+ PRINCIPLES OF MATHEMATICS
Module 3: Applications of Percent
Use a problem-solving strategy for word problems
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?

Respuesta :

Answer:

$9,840

Step-by-step explanation:

Let the money earned from college be 'x'.

Given:

Total money earned from the two jobs = $50,450

Money earned at the store = 1250 + 4(Money earned at college)

∴ Money earned at the store = [tex]1250 +4x[/tex]

Now, total money earned by Erica is the sum of money earned at store and college. Therefore,

Total money = Money at store + Money at college

[tex]50450=1250+4x+x\\5x+1250=50450\\5x=50450-1250\\5x=49200\\x=\frac{49200}{5}=\$9840[/tex]

Therefore, the money earned by Erica from her job at the college is $9,840.

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