There are an infinite number of such subsets. One of them is the set of real numbers in the interval (7, 8). Perhaps you're thinking "irrational" numbers, as opposed to "integers" or "rational" numbers.
Real life problem for quadratic equation:
A ball is thrown into the air from the edge of a building, 50 feet above ground. It’s initial velocity is 20 feet per second. About how long does it take for the ball to hit the ground?
Sorry if this doesn’t help.
Y = x + 3/4
x = y - 3/4
swap the variables:-
y = x - 3/4 (answer). Its a.
The answer would be 1/4 or

i hope this answer helps!
$48.32* (15/100)
= $7.25.
The final answer is $7.25~