In a class of 25 students, 15 of them have a cat,
2 answers:
So 3 have no pets, so 25 - 3 = 22 students have a pet.
There are 15 cats and 16 dogs so 15 + 16 = 31.
And then 31 - 22 = 9. The 9 means that 9 students have both pets.
So the probability is 9/25.
Answer:
number of students who have cat and dog
= y
= 9
P( student chosen has a dog and cat )
= 9/25
You might be interested in
The answer to your question is 4 over 9/4 (2 1/2)
1. Perpendicular Transverse Theorem
2. a=30 and b=60
Answer: Alexia completed 20 math problems and 10 science problems.
Answer:
it would be -4<x< inf which is B
350/20 = unit rate
350/20 = 17.5 or 17 and 1/2
17.5 miles per one gallon
875/17.5 = 50 gallons
Answer: 50 gallons of gas
