book Maths Puzzle Numerical Ability

What is the answer to -7 2/5+ 2 4/5=y

Read Solution (Total 0)

book Other Question

Could someone please simplify this problem:
e^x(e^-x+1) - e^-x(e^x+e^+1)
A markup rate of 40% was used on a basketball with a selling price of $82.60. Find the cost of the basketball