exam
Maths Puzzle
Numerical Ability
Factor 3 x 2 + 3 x y + 8 x + 8 y by grouping.
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I need help on this problem.
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Number 2
The clearance of the bridge is less than 12 feet.
please help me to solve this equation.In 3 years ,Alex will be 3 times as old as his sister Percy.A year ago,Alex was 7 times as old as Percy.How old are they now?