What is 3/4 doubled? is it 6/8 or 1 2/4?

1 2/4

Step-by-step explanation:

3/4 doubled is

Now, on simplification.

Therefore,

3/4 doubled is 1 2/4

blue marble is 15 times out of 50 = 15/50 reduces to 3/10

landing on tails is 24 out of 50 = 24/50 reduces to 12/25

to find the probability of both multiply together:

3/10 x 12/25 = 3 x 12 / 10 x 25 = 36/250

if you multiplied the numerator and denominator by 10 you get 360/2500.

the answer is 360/2500

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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