exam Maths Puzzle Numerical Ability

not in book Help!!

Mandy begins bicycling west at 30 miles per hour at 11 am. If Liz leaves from the same point 20 minute latera bicycling west at 36 miles per hour, when will she catch Mandy?

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exam Other Question

If a company�s profits P are related to the number of items produced x by a linear equation, what is the slope of the graph of the equation if the profits rise by $25,000 for 175 i I have to tell whether the equation represents a direct, join, or inverse variation and then name the constant:

n/m=1.5

I think it is direct and the constant is 1.5

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