Answer:
d=48/2.15
Step-by-step explanation:
hope it helps
easy peazy
The answer is 12.
Steps
If that number is x
(3+x)/(8+x)=3/4
"Cross multply"
4(3+x)=3(8+x)
12+4x=24+3x
x=12
To check: add 12 to 3 and 8. 3+12=15 and 8+12=20. 15/20=3/4
The balance after one year is $5200
Step-by-step explanation:
The formula to apply here is

where
A=Amount of money at the end of the period=?
P=the amount of money invested= $5000
r=rate of interest=4%=0.04
n=number of compounding per year=1
t=time in years=1
Applying the formula

A=$5200
Learn More
Compound Interest: brainly.com/question/12148233
Keywords : interest, compounded annually
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Answer: 3:5
Step-by-step explanation: