Answer: 7
Step-by-step explanation:
just use a comparison
3/12 = x/28
1/4 = x/28
x = 7
Answer:
B) 0.45
Step-by-step explanation:
The total number of students is:
4 + 5 + 4 + 6 + 10 + 8 + 2 + 1 = 40
The number of students with brown hair is 10 + 8 = 18.
So the probability is:
P = 18/40 = 0.45
Answer:
20 questions
Step-by-step explanation:
Well, 10% of 50 is 5, and 5 x 4 = 20. Another way is 50 x .4
Answer:
5.87
Step-by-step explanation:
Answer:
C The total amount spent n drinks.
Step-by-step explanation:
