exam Maths Puzzle Numerical Ability

solve and graph on a number line 4-3(x+2)<2(2x+3)-1

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exam Other Question

A boat cruises 36 miles against a 3 mph current and 36 miles back with the same current. The round trip takes 5 hours.What is the speed of the boat in still water? How would you slove:

square root of 3y-2 = 3 - square root of 3y+1

I know you would multiply both sides to the second power, getting only 3y-2 on one side but the other side