$2
10%->.10
20x0.10=(2)
Jacquie saves up $2 if she refers a friend.
Answer:
Future value, A = $4740.39
Step-by-step explanation:
Given the following data;
Principal = $2700
Interest rate = 5.25% = 5.25/100 = 0.0525
Time = 11 years
Number of times, n = 1
To find the future value, we would use the compound interest formula;
Where;
A is the future value.
P is the principal or starting amount.
r is annual interest rate.
n is the number of times the interest is compounded in a year.
t is the number of years for the compound interest.
Substituting into the equation, we have;

Future value, A = $4740.39
Answer:
The number of boys that have school dinners is 381.
Step-by-step explanation:
First, we need to find how many students have school dinners:

The percent of girls that have school dinners:
Now, we need to find the number of boys (b) and girls (g) at a school:

Hence. the percent of boys that have school dinners is given by:


Finally, the number of boys that have school dinners is:
Therefore, the number of boys that have school dinners is 381.
I hope it helps you!
the constant is -4 because Y is proportional to x