Answer:
A) 360 adults
Step-by-step explanation:
c=quantity of child
a=quantity of adult
9c+12.5a=5220
a+c=440 then c=440-a
substitute for c
9(440-a)+12.5a=5220
3960-9a+12.5a=5220
reduce
3.5a=1260
a=360
Answer:
D=m/v
=225g/15cm^3
=15g/cm^3
Step-by-step explanation:
The formula for calculating density is: density=mass/volume.
after collecting data you will see that all the data is already in the question and there's no need to convert any units. Divide the mass by the volume and you'll have the density in g/cm^3
5000 pounds is equal to 2.5 tons because 1 ton is equal to 2000 pounds
Answer:
the answer would be 9 I think
