Book Maths Puzzle Algebra

how i can solve this equation.
x + y^(.5) = 7
y + x^(.5) = 11

Read Solution (Total 1)

Book Other Question

What is the %Body fat of a man that weighs 156 pounds (b) and has a waist measurement of 32 inches (w)?

(-98.42 + 4.15(w) - 0.082b)/b
In a Quadratic Equation of (z+5)(z+1)=10z how to you work it.