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mixer [17]
4 years ago
9

Please help!! All i need to do is solve for x.

Mathematics
1 answer:
Oduvanchick [21]4 years ago
7 0
A.
5(5+x)=6(6+4)
Solving for x:
5(5+x)=6(10)
5(5+x)=60
5(5+x)/5=60/5
5+x=12
5+x-5=12-5
x=7

b.
4(4+x)=3(3+5)
Solving for x:
4(4+x)=3(8)
4(4+x)=24
4(4+x)/4=24/4
4+x=6
4+x-4=6-4
x=2
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Megan has $15,000 to invest. She is considering two investment options. Option A pays 3.2% simple interest. Option B pays 4.1% i
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wheee



Compute each option


option A: simple interest


simple interest is easy

A=I+P

A=Final amount

I=interest

P=principal (amount initially put in)


and I=PRT

P=principal

R=rate in decimal

T=time in years


so given

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Simple interst pays $19,800 in 10 years




Option B: compound interest

for interest compounded yearly, the formula is

A=P(1+r)^t

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given

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A=15000(1+0.041)^{10}

A=15000(1.041)^{10}

use your calculator

A=22418.0872024

so after 10 years, she will have $22,418.09 in the compounded interest account





in 10 years, the investment in the simple interest account will be worth $19,800 and the investment in the compounded interest account will be worth$22,418.09

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Step-by-step explanation:

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