Let the people initially on the train be 'x'.
19 people got off the train --> x - 19
17 people got on the train --> x - 19 + 17
Remaining people on the train = 63
Therefore, x - 19 + 17 = 63
x - 2 = 63
x = 63 + 2
x = 65
Verification:
65 - 19 + 17 = 63
65 - 2 = 63
63 = 63
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Hope I helped!
Answer: 28: 22
Explanation: The total is 50, but there are 28 boys, so there are 22 students remaining, so those 22 students remaining are girls.
(x,y) --> (y,-x) so the answer will be (-7,-3)
Hmmm........ Maybe make a monster sword that can turn your enemies into weak monsters. Make a boomerang that whoever or whatever it touches it makes it really weak and when you get it back you get their strength.
Answer:
a. Yes it's a proportional relationship. It is because Distance is travelled uniformly.
b. Unit is m/min^2.
c. It means he is travelling in meters with minutes counting how far he have travelled.
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