Answer:
Step-by-step explanation:
<u>Given:</u>
- Investment P = $4668
- Interest rate r = 2% or 0.02
- Compound number = continuous
- Time t = 9 years
<u>Calculate the balance:</u>
Answer:
4 hours
Step-by-step explanation:
Ratio of working together
Job : number of hours
1 : 3 = 1/3
Trainer
Job : number of hours
1 : x = 1/x
Trainee
Job : number of hours
1 : 3x = 1/3x
1/x + 1/3x = 1/3
Multiply through by 3x
3x(1/x) + 3x(1/3x) = 3x(1/3)
3 + 1 = x
4 = x
x = 4 hours
It takes the trainee 4 hours to finish the job
Answer:
y=23
x=28
Step-by-step explanation:
3y=2x+13
8y-4=180
basic algebra, solve 2nd equation then substitute
Answer:
$3 for one cookie
Step-by-step explanation:
Divide 18 by 6