Question

1) Determine a razão do primeiro para o segundo número:
a) 1/2 e 7
b) 5 e 1/2
c) 2/5 e 4/5
d) 5/8 e 7/9
e) 0,1 e 4/7
f) 1/3 e 1/2

Answer 1

a

1/2 : 7/1 = 1/2 * 1/7 = 1/14 ***

b

5/1 : 1/2  =  5/1 * 2/1 = 10 ****

c

2/5 : 4/5 = 2/5 * 5/4  = 10/20 = por 10  = 1/2 ***

d

5/8 : 7/9  = 5/8 * 9/7 = 45/56 ***

e

0.1 e 4/7  ou  1/10 : 4/7 =  1/10 * 7/4 = 7/40 *****

f

1/3 : 1/2 = 1/3 *  2/1 = 2/3 ****