Problema Solution
Mexico has 70 million more citizens than Canada; the United States has 3 times the number of citizens as Mexico; there are 430 million citizens in Mexico, Canada, and the United States combined. How many citizens live in Canada?
Answer provided by our tutors
Let Mexico = X
USA + Canada + Mexico = 430 million
Mexico = X
USA = 3X
Canada = X - 70million
430million = X + 3X + (X - 70million)
430million = 5X- 70million
500million = 5X
X = 100 million
USA = 300 million
Mexico = 100 million
Canada = 30 millionLet Mexico = X
USA + Canada + Mexico = 430 million
Mexico = X
USA = 3X
Canada = X - 70million
430million = X + 3X + (X - 70million)
430million = 5X- 70million
500million = 5X
X = 100 million
USA = 300 million
Mexico = 100 million
Canada = 30 million