exam Maths Puzzle Numerical Ability Age Problem

A is eleven times as old as B. in a certain number of years, A will be five times as old as B, and in five years after that she will be three times as old as B. how old are they now.

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exam Other Question

no of co prime which are factor of 1000 Please help me with this problem am having lots of problems with math especially graphing. Thank you.

Solve the system by graphing.
3x + y = -1
9x + 3y = -3