Answer:
9.9
Step-by-step explanation:
Let the side of ZX = x
4/8 = x/19.8
Cross-multiply
8x = 79.2
Divide both sides by the coefficient
8x/8 = 79.2/8
x = 9.9
Isolate the variable by dividing each side by factors that don't contain the variable.
Exact Form:
x
=
−
4
3
x
=
-
4
3
Decimal Form:
x
=
−
1.
¯
3
x
=
-
Mixed Number Form:
x
=
−
1
1
3
Answer:
7/12
Explanation:
Here are the steps to follow:
Write down the factors for the numerator and the denominator.
Determine the largest factor that is common between the two.
Divide the numerator and denominator by the greatest common factor.
Write down the reduced fraction.