We can calcualte the number of blue hats by multiplying the total number of hats (n=48) by the proportion of blue hats (p=25%=0.25).
Then:

There are 12 blue hats.
The answer is a the length is 69 and the base is 115 and if you multiply 115*69 you will get 7935 square units
Answer:
1250 pounds
Step-by-step explanation:
1625=x+30%
1625=1.3x
x=1250
Step-by-step explanation:
The boy loses one apple which leaves the boy with 2 apples