That is called an improper fraction.You multiply the whole numbers by the denominator and then add what is left over to get the improper fraction.
The answer would be D, because you do 4200÷56=75 minutes. 75 minutes= 1 hour and 15 minutes
<span>An exterior angle of a triangle is equal to the sum of the opposite interior
angles </span>⇒ x = 30 + 90 = 120°
By factoring, x equals both -5 and 7.
I am unable to solve this problem.