Question

find the fourth proportion of 2min, 1/2hrs, 5min​

Answer 1

Answer:

21....

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Answer 2

Answer:

75

Step-by-step explanation:

1/2hrs=30minutes(in proportion all should have same units)

2:30:5:x

product of means=product of extremes

means are the 2nd and 3rd one

extremes are the 1st and 4th one

30×5=2×x

150=2x

x=150/2=75