exam Maths Puzzle Numerical Ability

I need this solved using a proportion

A truck can pump 800 gallons of oil in 35 minutes. How much oil can it pump in 2 hours?

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exam Other Question

find k so that the line thru (4,-1) and (k,2)is
a). parallel to 2x+3y=6
b). perpendicular to 5x-2y= -1
pls show work so that i can see where i went wrong
thank in advance
Hi! Could someone please help me simplify
^3(sqrt)48

Thanks so much for your help in advance!