Lucy opened an investment account with $6600. at the end of the year, the amount in thr account had increased by 6.5%
how much is this increase in dollars? how much money was in her account at the end of last year?

Part a) The increase in dollars is

Part b) The amount in Lucy's  account at the end of last year was

Step-by-step explanation:

Let

x-----> amount in Lucy's  account at the end of last year

we know that

so

-----> amount in Lucy's  account at the end of last year

The increase is equal to

the answer is (-4,-4)

hope this ! : d

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