Problem page two consecutive integers have a sum of 47 . find the integers

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Find solution of the linear equation y = 2/3x + 1/3

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle