Answer:
150
Step-by-step explanation:
30/100 times 500/1 = 150
Answer:
400 mm
Step-by-step explanation:
8 * 10 = 80
80 * 5 = 400
400 mm
Answer:
Step-by-step explanation:
Since each term is decreased by three 
Answer is 18
I found it by multiplying 20 by .90