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Olin [163]
3 years ago
9

Mark deposited $9,000 into two saving accounts bearing simple interest. One of the accounts has an interest rate of 8% while the

other rate is 7%. If the total interest earned after one year is $700, find the amount deposited into each of the accounts
Mathematics
1 answer:
geniusboy [140]3 years ago
8 0
0.07x+0.08 (9000-x)=700
Solve for x
0.07x+720-0.08x=700
0.07x-0.08x=700-720
-0.01x=-20
X=20÷0.01
X=2,000 invested at 7%

9000-2000=7000 invested at 8%
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Please don't delete my question! Here they are:
Alinara [238K]

Answer:

1. 14/15

2. 5 7/8

3. 81.25%

Step-by-step explanation:

1. (fraction) 7/9 divided by 5/6 (fraction)

7/9 ÷ 5/6 =

= 7/9 * 6/5

= (7 * 6)/(9 * 5)

= 42/45

= 14/15

2.

1 3/8 + 4 1/2 =

= 1 + 3/8 + 4 + 1/2

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= 5 + 7/8

= 5 7/8

3.

percent = part divide by whole times 100

13/16 * 100 =

= 81.25%

4 0
3 years ago
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Crank

Answer:

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Step-by-step explanation:

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