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Proportion exercises


Solve the following proportions:

The) B)

ç) d)

and) f)

g)

h) Knowing that x + y = 42, determine x and y in proportion .

i) Knowing that a + b = 55, determine a and b in proportion .

j) The sum of the age of the father and son is 45 years. The age of the father is to the age of the child, just as 7 is to 2. Determine the age of the father and son.