Answer:
1 .Each classroom contains 20 students so we multiply it times 8
90% of (20x8).
90\100 x 160
9x16 students
144 students
Answer:
You will need to calculate the area of the circle on top of the pillar. Then, times it by ten. It then will be the whole volume of the pillar. Then, you compare to see if the pillars have the same volume.
Answer:
24 drops of yellow paint
Step-by-step explanation:
We have a ratio of red paint to yellow paint
red:yellow
5: 8
We need red to be 15 drops, so we multiply by 3
What we do to one side we do to the other
red:yellow
5*3 8*3
15 : 24
We need 24 drops of yellow paint
Answer:
D
Step-by-step explanation:
−4−(−7)
=−4−(−7)
=−4+7
=3
