exam Maths Puzzle Numerical Ability

I cannot get this problem to work out right. Can you please help me solve it step by step?

Read Solution (Total 0)

exam Other Question

Find an equation of variation for the given situation.
r varies diretcly as s, and r=0.0909 when s=1 Given the function f(x) = 5x+2, find a formula for the inverse function.