Question

Can you tell me if I got these wrong or right?

1. Ms. Jordan has been given a loan of $2,500 for 1 year. If
the interest charged is $275, what is the interest rate on the loan?
= 11%

2. A school had 900 students at the start of a school year. If there is
an enrollment increase of 7% by the beginning of the next year, what is the new
enrollment?
= 963 students

3.Avirus scanning program is checking every file for viruses.
It has completed checking 40% of the files in 300 seconds. How long should it take
to check all the files?
= 750 seconds or 12 minutes 30 seconds.

Answer 1

all correct.

Answer 2

well i forget about fractions,so can you help me please.

Answer 3

Here's an excellent website that includes a really good section on fractions.
http://www.aaastudy.com/fra.htm

Choose what you need to know about fractions (or go through all of them) and then post specific questions <b>using the <u>Post a New Question</u> link</b> at the top of the page.