The average would be the total amount divided by the 2 groups, so the answer would be 37.5 years old.
Answer:
$4.60
Step-by-step explanation:
1 lb ---> 80 cents
5 3/4 lb ---> 5 3/4 * 80 cents





460 cents = $4.60
Answer:
y = -7/2 + 5x/2
t = 3k/v
f = 9c/5 +32
Step-by-step explanation:
Answer:
$3820 total, $32 per alumnus.
Step-by-step explanation:
The total cost will be 
Each alumnus pays 
Rounding to nearest whole number = $32 per alumnus.
Answer:
9
Step-by-step explanation:
This is because 21/7 is 3. So, you use the scale factor of 3 to divide 27/3 to get x which is 9.