math 115

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1. Nina's car payment is $362.57 per month for 4 years. how much will she pay altogether? $17,401.92 is this correct?
2. solve the unknown. 4/X= 3/15= 60/X is this correct?
3.write 2/5 as a percent. = 40% is this correct?
4. write 78% as a decimal. 0.78 is this correct?

  • math 115 -

    1. You're close - but I get a slightly different answer. Run the numbers through a calculator again.

    2. Cross multiply in this proportion.

    4/x = 3/15
    3x/60
    x = 60/3
    x = 20

  • math 115 -

    Your last two answers are correct.

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