exam
Maths Puzzle
Numerical Ability
x+2/3=8/15
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exam Other Question
You plant a 4 foot maple tree that grows at a rate of 6 inches per year and a 2 foot birch tree that grows a t a rate of 8 inches a year. In how many years will they be the same height? What is that height?
please help to solve
x + 3y = 7
xy = 2