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Maths Puzzle
Numerical Ability
A rectangulal pool 10m by 7m is surrounded by a concrete path 50cm wide 25cm thick.how much concrete was used to make the path
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How do I add these rational expressions? 2 / y - 1 + 2 / y + 1 ?
a parent who has not had to use this math since high school and my son came to me for help, Help!!! heres two types of problems he has to do 3(6+4) = 3(___)+ 3(4) and my son has to do some simplifys 12(x + 2) or 9 (p - 6)