Answer:

Step-by-step explanation:





Answer:
25%
Step-by-step explanation:
125:500
divide by 5 to make 500 into 100
25:100
convert to percent
25%
I would say that there are 29 boys in the class.
Answer:
1/10
Step-by-step explanation:
P heads,even,heads = P heads * P even *P heads =
1/2 * 2/5* 1/2 = 1*2*1/2*5*2= 1/10
34 is 680% of 5. All you do is 34/5 and multiply by 100