A bag contains 60 marbles, some blue and some white. The ratio of blue marbles to white ones is 4 : 2. How many white marbles are there?

Respuesta :

Answer:

There are 20 white marbles.

Step-by-step explanation:

Since the ratio is 4 : 2, there could be 40 blue : 20 white

This is possible because 40: 20  is the same as 4:2 and 40 + 20 equals 60 marbles total.

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Answer:20

Step-by-step explanation:add the ratio

(2/6)×60