1. Sophie invested $5,000 into an account that will increase 2.3% each year. Find the value of the investment after 15 years.

2. Sophie invested $5,000 into an account that will increase 2.3% each year. After hour many years will the account have a balance of $10,000? Round to the nearest year.

3. Sophie invested $5,000 into an account that will increase 2.3% each year. How much interest did she earn after 15 years?

1. about 7032.42 dollars

Step-by-step explanation:

The equation would be 5000*(1.23)^15, which would result in the really long number 7032.415298, which would simplify to $7032.42.

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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