Answer: a and b
Step-by-step explanation:
The mean is 9.6
3+8+10+12+15= 48/5= 9.6
Answer:
A=40, B=60, C=80
Step-by-step explanation:
180/7 to find what "1" would be in the ratio then multiply 20*2, 20*3, 20*4.
Answer:
5(2x-3)
Step-by-step explanation:
It's very simple
1m=100cm
4m=4×100=400cm