book
Maths Puzzle
Numerical Ability
If x - 2y over 3 equal y - 2x over 2, express x in terms of y hence evaluate 7x - 2y over 3x - y
Read Solution (Total 0)
book Other Question
Find f(-2) if f(x)=3x^2-4
Could you please help me?
If you have 80 cc of 25% alcohol. How can you lower it to 20% alcohol?
Same question but raise it 20%.