Jane , peter and mary each have some cards of 3:5:6 . Peter has 40 cards . How many fewer cards did mary has then peter?

Mary has 8 more card than Peter

Step-by-step explanation:

Jane: peter: mary

3          5        6

Peter has 40

40/5 = 8

Multiply each by 8

Jane: peter: mary

3*8     5*8        6*8

24        40          48

We want Mary - Peter

48-40

8

Mary has 8 more card than Peter

that is the sum

step-by-step explanation:

there are no other answers without knowing the variables values

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.