exam Maths Puzzle Numerical Ability

A messenger, traveling at a speed of 65 mph, pursues a truck which has a headstart of 2 hours and overtakes the truck in 3 hours. Find the speed of the truck.

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exam Other Question

Marsha has money in two savings accounts. One rate is 8% and the other is 10%. If she has $200 more in the 10% account, how much is invested at 8% if the total interest is $101?

Need a little help with this problem, Thank you! t+12^2-t=0 is the problem. solve algebraically and check potential solutions

I'm not sure whether to add t+12 then square or distribute after t^2+12^2-t=0