Question

matematica


calcule o valor de X nas proporçoes


a) X/10 = 7/5 b) 3/15 = X/5

Answer 1

X×5=5x
10×7=70
X=70/5
X=14

Answer 2

a) x/10=7/5
5x=70
x = 70/5
x= 14



b) 3/15=x/5
15x=15
x=15/15
x =1