book
Maths Puzzle
Numerical Ability
6x+(5x-8)
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book Other Question
solve /x/= 7
^absolute value
and...
solve /x/= -9
and...
solve and graph /x+5/<= 2
John leaves his house at 7:30am. His sister,Mary leaves at 8:30am and tries to catch up with John. She is walking 2 km/h faster than him on the same route in the same direction.