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May 24, 2015

Homework Help: Math

Posted by Chayo on Wednesday, July 8, 2009 at 11:44am.

Need help with my practice review. Thanks

1.If inflation is 6% a year compounded annually, what will it cost in 21 years to buy a house currently valued at $230,000? Round to the nearest cent.

2.A small company borrows $50,000 at 11% compounded monthly. The loan is due in 4 years. How much interest will the company pay? Round to the nearest cent.

3.By switching service providers, a family's telephone bill decreased from about $50 a month to about $47. What was the percent of decrease?

4.A child's dose of medicine is 1/6 of a pre-measured dose cup. If the bottle of medicine is the size of 9 dose cups, how many children's doses are there in the bottle?

5.Find the best buy.
Brand X: 16 oz for $6.08
Brand Y: 12 oz for $4.32

A)Brand X
B)Equal value
C)Not enough information
D)Brand Y

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