exam Maths Puzzle Numerical Ability

Choose the proportion you would use to solve the problem below.

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

can u type just how u solved it

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exam Other Question

Determine whether the three points are the vertices of a right triangle:

1) M(-6;-4); N(0;-2); Q(-10; 8)

2) M(-4;1); N(1;4); Q(-6;-1)

3) M(-4;3); N(2;5); Q(-1;-6) Hi, I have to solve the following for t:

300=500(1-e^0.2t)
Assume that ln *0.4)= -0.9

I wouldnt even know where to start..all i can think to do is
300500=(1-e^0.2t)

any help would be very much appreciated! thanks