exam Maths Puzzle Numerical Ability

A mother is 30 years older than her daughter. Five years ago she was four times as old as her daughter. How old are they now?

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please show me how to do this.
Perform the indicated operations:
√[50] + 2√[32] - √[8] The height (h) in feet that is kicked by Vinnie Buttiero can be modeled by the equation h=-16x(to the 2 power)+48x+16, where x is the time inseconds after the kick. Find the footba