Question

calcular o valor de x nas proporções a) 14/6=x/9 b) 15/60=60/x c)2x/15=6/9 d)7/6=28/3x

Answer 1

a) 14/6=x/9 ==> 6x = 126 ==> x = 21

b) 15/60=60/x ==> 15x = 3600 ==> x = 240

c)2x/15=6/9 ==> 18x = 90 ==> x = 10

d)7/6=28/3x ==> 21x = 168 ==> x = 8