Question

um real equivalente a 100 centavos .A que fração do Real equivale:
a)25 centavos?
b)50 centavos?
c)10 centavos?
d)3 centavos?

Answer 1

25 centavos = 1/4 do real
50 centavos= 1/2 do real
10 centavos= 1/10 do real
3 centavos= 3/100 do real

Answer 2

a)
25 ------ 100
x -------- 1

100x = 25

x = 25:25/100:25

x = 1/4

b)
50 ------- 100
x --------- 1

100x = 50

x = 50:50/100:50

x = 1/2

c)
10 ------- 100
x --------- 1

100x = 10

x = 10:10/100:10

x = 1/10

d)
3 ------ 100
x ------ 1

100x = 3

x = 3/100