Nikita invests $2,000 into a bank account with a 4% annual interest rate. in seven years, which is the most expensive item she could afford to buy? a. a home theater system priced at $3,000 b. a beach vacation priced at $2,200 c. a sectional sofa priced at $2,700 d. a mountain bike priced at $2,500

(D) A mountain bike

Step-by-step explanation:

Principal amount = $2000

Interest rate = 4%

Time (t) = 7 years

So, interest after 7 years (I)  =

                                              =

                                             = $560

Total amount = 2000+560

                      = $2560

So, he can afford anything whose price is under $2560.

Most expensive item she could afford to buy is a mountain bike priced at $2500.

step-by-step explanation:

(s)he  is right it would be 5.5% because it is smaller than 15.5% or anything smaller than 15.5% in general

answer set (b) 0.5, 3/4 80% is in order from least to greatest.  

step-by-step explanation:

in order to compare rational numbers to each other, it is much easier if they are in the same form.   typically, the best form in which to evaluate rational numbers is in decimals.   in order to convert a percent to a decimal, you would divide the given percentage by 100.   you can also accomplish the conversion by moving the decimal point over two places to the left.   for example, the decimal value of 80% is 80/100, or 0.8.   in order to convert a fraction to a decimal, you need to divide the numerator by the denominator.   for example, 3/4 is 0.75.   so, for choice (b) 0.5 3/4 (0.75), 80% (0.8) is the only choice in which the numbers are in order from least to greatest.