exam Maths Puzzle Numerical Ability

I need help with this word problem:

If you stand in shallow water and look at an object below the surface of the water, the object will look farther away from you than it really

Read Solution (Total 0)

exam Other Question

solve t=1/4n+40
and show work or explain it please.. thank you.
please help me wit these questions

1. 5/y+4 - 8/y-4 = 2/y^2-16

2. 7[7x-7 + 4(x+1)]= -7x-7

3. y1= x+6/3, y2= x+8/6, y1 =y2