Answer:
Age of teacher = 32 years
Step-by-step explanation:
Average age of 15 students = 16 years
Sum of age of 15 students = 16 * 15 = 240 years
Average of age 15 students and a teacher = 17 years
Sum of age 15 students and a teacher = 17 * 16 = 272 years
Age of teacher = 272 - 240 = 32 years
Answer:
correct
Step-by-step explanation:
Answer:
X int : 5
Y int : 15
Step-by-step explanation:
y=15
-
3x=15
3/3 15/3
x=5
Answer:
12.5
Step-by-step explanation:
4+21=25
25/2=12.5
To solve this problem,
we must recall that the formula for money with compound interest is calculated
as:
Total = Principal × (
1 + Rate ) ^ n
Total = $2,200 × ( 1 +
0.024 ) ^ 1
Total = $2,252.80
<span>Therefore the answer
is letter B.</span>
