Answer:
The sum of the age of pupils is 81
Step-by-step explanation:
Let sum of age of 18pupils = x
Average ages = 4.5
Average = total/no. of pupil
4.5 = x/18
x = 81
Number of cars washed by the eight teams per hour = 2 * 8 = 16 cars.
Number of cars washed by the eight teams in 5 = 16 * 5 = 80 cars.
The teams should charge $600/80 = $7.50
Answer:
Step-by-step explanation:
Nice and you?
About 48 students are girls
Step - By - Step Explanation:
63 / 4 = 15.75
15.75 x 3 = 47.25
Because you can’t have 0.25 (1/4) of a person, you round to the next number.
Hope this helps!
Answer:
4 1/24
Step-by-step explanation: