Practice Room · Money left to grow

Practice: Interest

For each question, give a low and a high you are 80% sure the answer sits between. Tighter brackets score more; a miss scores zero. You can type 2 million, 3e9, 1.5k or 45%.

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InterestQuestion 1 of 5

You put $2,500 in an account that pays 10% a year, added once a year, and never touch it. What is it worth after 12 years, in dollars?

Low High dollars

InterestQuestion 2 of 5

You put $5,000 in an account that pays 4% a year, added once a year, and never touch it. What is it worth after 32 years, in dollars?

Low High dollars

InterestQuestion 3 of 5

You put $500 in an account that pays 10% a year, added once a year, and never touch it. What is it worth after 51 years, in dollars?

Low High dollars

InterestQuestion 4 of 5

You put $100 in an account that pays 7% a year, added once a year, and never touch it. What is it worth after 59 years, in dollars?

Low High dollars

InterestQuestion 5 of 5

You put $5,000 in an account that pays 3% a year, added once a year, and never touch it. What is it worth after 50 years, in dollars?

Low High dollars

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