book Maths Puzzle Numerical Ability

I need to know how to find the area of a trapezoid if you don't know the height.

Read Solution (Total 0)

book Other Question

2x-9 3
--- = --
4-4x 4

i don't get this even when the techer explains it to me. Tim is twice as old as his son. In 6 yrs Tim�s age will be three times what his sons age was 6 years ago. How old is Tim�s son now?

thank you