25% as a fraction is 1/4 or 25/100 so as a decimal its 1/4 of 1 which is .25
Answer:
Bags = 22
Hat = 14
22 x 2 = 44
14 x 4 = 56
So the first part is true
3 x 22 = 66
7 x 14 = 98
So the second part is true
14 is the answer
It's trial and error
Step-by-step explanation:
The true statement about her method would be to start at the origin. But you would go up 4 spaces you would go to the right 4 spaces.
Answer: About 191 students scored between a 60 and an 80.
Step-by-step explanation:
Given : A set of 200 test scores are normally distributed with a mean of 70 and a standard deviation of 5.
i.e.
and 
let x be the random variable that denotes the test scores.
Then, the probability that the students scored between a 60 and an 80 :

The number of students scored between a 60 and an 80 = 0.9544 x 200
= 190.88 ≈ 191
Hence , about 191 students scored between a 60 and an 80.
Answer: $76 will be the total for one and a half ours for a repair.
Step-by-step explanation:
28 + 16hh
hh = half hour
1 and a half hours = 3 half hours
28 + 16(3)
28 + 48 = 76