Question

Maria is three times as old as her brother.In 4 years,Maria will be twice as old as he will be then.How old is Maria's brother now?

Answers

Vic
Help need equation
PsyDAG
Let x = maria's age and y = her brother's.

x = 3y

(x+4) = 2(y+4)

Substitute 3y for x in second equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the second equation.
Dwinson
6=24
Dwinson
y=4
x=12
Bob
Lindana
Nikhath
Waste quedtion

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