Mrs. ming invested an amount of money in two accounts for one year. she invested some at 8% interest and the rest at 6% interest. her total amount invested was $1,500. at the end of the year, she had earned $106.40 in interest. how much had mrs. ming invested in the account paying 6%?
a.$117
b.$680
c.$760
d.$820

The correct option is B.

Step-by-step explanation:

It is given that Mrs. Ming invested an amount of money in two accounts for one year.She invested some at 8% interest and the rest at 6% interest. Her total amount invested was $1,500.

Let the amount invested in the account paying 6% be x. So, the amount invested in the account paying 8% is 1500-x.

Total interest earned by Ming is

At the end of the year, she had earned $106.40 in interest.

Divide both sides by -2.

The value of x is 680, therefore the amount invested in the account paying 6% is 680 and the correct option is B.

look a the sides they are perpendicular

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right