Answer:
Your photo is not perfect
Answer:
There will be 10 teams and 8 children left over.
Step-by-step explanation:
12 * 10 = 120. This is the closest you can get to 128 without going over, so that means there will be 10 teams of 12 children. 128 - 120 = 8. Therefore, there are 8 children left over.
Answer:
594 rpm
Step-by-step explanation:
Two gears will have the same linear speed, so:
v₁ = v₂
ω₁ r₁ = ω₂ r₂
(316 rpm) (79) = ω (42)
ω ≈ 594 rpm