Respuesta :
Answer:
depends on whether you meant (1/2)/4 or 1/ (2/4)
Step-by-step explanation:
1/2 x
---------- = -------------
4 28
Using cross products
1/2* 28 = 4x
14 = 4x
Divide by 4
14/4 = 4x/4
7/2 =x
If you meant
1 x
---------- = -------------
2/4 28
1 * 28 = 2/4 x
28 = 1/2 x
Multiply each side by 2
28*2 = 1/2x*2
56 =x
Answer:
[tex]\large\boxed{x=\dfrac{7}{2}=3.5}[/tex]
Step-by-step explanation:
[tex]\dfrac{\frac{1}{2}}{4}=\dfrac{x}{28}\qquad\text{cross multiply}\\\\4x=\left(\dfrac{1}{2\!\!\!\!\diagup_1}\right)\cdot28\!\!\!\!\!\!\diagup^{14}\\\\4x=14\qquad\text{divide both sides by 4}\\\\x=\dfrac{14}{4}\\\\x=\dfrac{14:2}{4:2}\\\\x=\dfrac{7}{2}[/tex]