Answer: the answer is A
Step-by-step explanation: 400 times 2.5 is 1000 and 250 times 2.5 is 625 and together they equal 1625
Answer:
y=5x-10
Step-by-step explanation:
Answer:
140 people
Step-by-step explanation:
Answer:
1/4 or 25%
Step-by-step explanation:
The probability for rolling an odd number is 50% or
because there are 3 odd numbers, (1, 3, 5) and 6 total outcomes (1, 2, 3, 4, 5, 6). 
The probability for rolling two odd numbers in a row is

So, the probability of rolling an odd number twice is 25% or
.
Suppose there are 19x students, 1x teachers
19x+1x=400
20x=400
x=20
there are 20 teachers and 380 students.