Respuesta :
Cross multiply then flip equation
85 * 80 and x * 100
6800 = 100x
100x = 6800
Now divide each side by 100
100x ÷ 100 = 6800 ÷ 100
x = 68
85 * 80 and x * 100
6800 = 100x
100x = 6800
Now divide each side by 100
100x ÷ 100 = 6800 ÷ 100
x = 68