Dominic and Mariah are both the same age.
Dominic multiplied his age by three, subtracted six then multiplied the answer by three.
Mariah multiplied her age by eight then added three
Dominic and Mariah arrived at the same answer as each other.
How old are Dominic and Mariah?
Topics: Starter  Algebra  Simultaneous Equations
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Previous Day  This starter is for 29 April  Next Day
Let Dominic and Mariah be x years old.
3(3x  6) = 8x + 3
9x  18 = 8x + 3
x = 21
Dominic and Mariah are both twenty one years old.
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