Answer:
Step-by-step explanation:
50 X 4= 200
90 X 5=450
50 X 5=250
200 + 250 = 450
Therefore it takes 5 hours for train B which is the train moving at 90 km per hr to catch up to train A.
Answer:
2^2 +5^2 = c^2
Step-by-step explanation:
We can use the Pythagorean theorem to solve for c
a^2 + b^2 =c^2 where a and b are the legs and c is the hypotenuse
2^2 +5^2 = c^2
4+25 = c^2
29 =c^2
Answer:
Step-by-step explanation:
If the presale price is 
,
then 
Thus the presale price is $12.0
Answer:
If I am not mistaking is 6
Step-by-step explanation:
Answer number 1
Answer:
The first and third options.
Explanation:
Look at each column and add the number of families.
