# 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 -

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