book
Maths Puzzle
Numerical Ability
Rosita is four years older than Ruperto. Three times Rosita's age in three years will equal 2 less than 5 times Ruperto's age in three years. How older are they now?
Read Solution (Total 0)
book Other Question
(1) 6a^-2 b^3 c^-2/12a^4 b c^-1
i need to write y+4=-2/3(x-9) in standard form.
thanks a lot for helping me!