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X - the number of people who own a smartphone
y - the number of people who own a flip phone
x:y=4:3
500 more people own a smartphone than a flip phone.
2000 people own a smartphone and 1500 people own a flip phone.
y - the number of people who own a flip phone
x:y=4:3
500 more people own a smartphone than a flip phone.
2000 people own a smartphone and 1500 people own a flip phone.
For this case we must solve the following linear equation:
Adding similar terms from the left side of the equation:
Subtracting from both sides of the equation we have:
Thus, equality is not fulfilled. So the equation has no solution.
Answer:
No solution