book Maths Puzzle Numerical Ability

Y = 22 + .8Y + 65 + 14 - 11.

How do I solve for Y.

Thanks much.

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book Other Question

I need help on finding all real solutions for 2^2x-24(2^x)=256 A canoeist paddled for 4 hours with a 6-km/h current to reach a campsite. The reutrn trip against the same current took 10 hours. Find the speed of the canoe in still water.