Friday - Ron, Mary and Pauline are three children in the same family. Pauline is three times Mary's age.
In two years, she will be twice the age Ron will have at that time.
Ron is a year older than Mary.
How old are the children?

answer: a. 74

step-by-step explanation:

it shows divided evenly, so add the 37+37 = 74

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for this case we have that by definition, the volume of a cylinder is given by:

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d