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3 years ago

9

Tom Johnson has $600 in his savings account earning 5 3/4% annual interest. After 12 months, and using the simple interest metho

d, what amount of interest will he have earned?

1 answer:

Alborosie3 years ago

3 0

He will earn 287.5 more dolllars from simple intrest.

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You need to know in how many ways you can choose 10 out of 25 items when order does not matter. This is a combination problem.

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$_{25}C_{10} = \dfrac{25 \times 24 \times 23 \times 22 \times 21 \times 20 \times 19 \times 18 \times 17 \times 16 \times 15!}{15! \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}$

$_{25}C_{10} = \dfrac{25 \times 24 \times 23 \times 22 \times 21 
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