5/12-1/6 is the correct answer.
Answer:
1a. 9a+6c=132
1b. There were 8 adults
2a. 4b+3v=152
2b. There are 32 students on each bus
Step-by-step explanation:
The formula for the future value of the account is
A = P(1 + r/n)^(nt)
where you have
A = 19909.20
P = 8975
r = 0.038
t = 21
The resulting equation is not one that can be solved by algebraic means, but we can use a graphing calculator to find n. This graph shows us n = 12, so
the interest compounds monthly.
1.13 I hope I helped , enjoy it ‘!