Answer:
x=13
y=5
13-5=8
13+5=18
Step-by-step explanation:
Answer:
16 year olds had the higher ratio of black belts to brown belts.
Step-by-step explanation:
15 year olds: 8/28 students had black belts
8/28 = 28.6% had black belts
16 year olds: 10/27 students had bald belts
10/27 = 37.0% had black belts
Answer:
Rs10000
Step-by-step explanation:
Sum of money=1200×100/6×2
=120000/12=Rs10000