Answer:
first answer.. make an induction
Answer: opposite/hypotenuse
Step-by-step explanation:
Answer:
45 children
Step-by-step explanation:
30% of 150=45
The price up to 20% was
120*40/100=48 $
The cost down by 20% is:
48*80/100=3840/100=38,4 $
38,40=40*x/100
x=38,4*100/40=3840/40=96 %