a)20% de 200 = 40
[tex] \frac{20}{100} \times 200 = [/tex]
[tex] \frac{20}{100} \times \frac{200}{1} = [/tex]
[tex] \frac{4000}{100} = [/tex]
[tex]40[/tex]
b)10% de 800 = 80
[tex] \frac{10}{100} \times \frac{800}{1} = [/tex]
[tex] \frac{8000}{100} = [/tex]
[tex]80[/tex]
c)35% de 300 = 105
[tex] \frac{35}{100} \times \frac{300}{1} = [/tex]
[tex] \frac{10500}{100} [/tex]
[tex] = 105[/tex]
d) 17% de 100= 17
[tex] \frac{17}{100} \times \frac{100}{1} = [/tex]
[tex] \frac{1700}{100} = [/tex]
[tex] = 17[/tex]
e) 30% de 90 = 27
[tex] \frac{30}{100} \times \frac{90}{1} = [/tex]
[tex] \frac{2700}{100} = [/tex]
[tex] = 27[/tex]
f) 75 % de 40= 30
[tex] \frac{75}{100} \times \frac{40}{1} = [/tex]
[tex] \frac{3000}{100}[/tex]
[tex] = 30[/tex]
g) 40% de 150= 60
[tex] \frac{40}{100} \times \frac{150}{1} = [/tex]
[tex] \frac{6000}{100} = [/tex]
[tex] = 60[/tex]
h)50% de 70= 35
[tex] \frac{50}{100} \times \frac{70}{1} = [/tex]
[tex] \frac{3500}{100} = [/tex]
[tex] = 35[/tex]
i)5% de 60= 3
[tex] \frac{5}{100} \times \frac{60}{1} = [/tex]
[tex] \frac{300}{100} = [/tex]
[tex] = 3[/tex]
j)8% de 50= 4
[tex] \frac{8}{100} \times \frac{50}{1} = [/tex]
[tex] \frac{400}{100} = [/tex]
[tex] = 4[/tex]
k)30% de 600 = 180
[tex] \frac{30}{100} \times \frac{600}{1} = [/tex]
[tex] \frac{18000}{100} = [/tex]
[tex] = 180[/tex]