Amother earned $7500.00 from royalties on her cookbook. she set aside 20% of this for a down payment on a new home. the balance will be used for her son's future education. she invests a portion of the money in a bank certificate of deposit (cd account) that earns 4% and the remainder in a savings bond that earns 7%. if the total interest earned after one year is $360.00, how much money was invested at each rate?

$2000 was invested in cd at 4% and $4000 was invested in bonds at 7%.

Step-by-step explanation:

20% of 7500 = dollars

Balance remained = dollars

Let she invests in cd = x

So, she will invest in bond =

Now, the cd earns 4% and bond earns 7% and total interest earned is $360.

=>

=>

So, x = 2000 (amount in cd)

And amount in bonds = = $4000.

Therefore, $2000 was invested in cd at 4% and $4000 was invested in bonds at 7%.

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

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