Respuesta :
a = 56
given 28 = [tex]\frac{1}{2}[/tex] a
multiply both sides by 2 to eliminate the fraction
56 = a
As a check
[tex]\frac{1}{2}[/tex] × 56 = 28 ← True
a = 56
given 28 = [tex]\frac{1}{2}[/tex] a
multiply both sides by 2 to eliminate the fraction
56 = a
As a check
[tex]\frac{1}{2}[/tex] × 56 = 28 ← True