exam
Maths Puzzle
Numerical Ability
simplify:
3/x + 1/x+4 divided by 1/x + 3/x+4
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exam Other Question
find the equation that is perpendicular to line AB and line CD and goes through the midpoint
Daphne and Niles are both driving west on Route 66. At 4:00pm, Daphne is 5 miles west of Niles. A little later, Niles passes Daphne. If Niles is driving at 55 mph and Daphne at 50 mph, at what times does Niles pass Daphne?