# Solve Maths Problems (1)

Solve a set of various maths problems. Detailed solutions with explanations to these problems are provided.

 Problem 1: The circumference of a circle is equal to 72 pi. Find the radius of this circle. Problem 2: The length of a rectangular garden is 2 feet longer than 3 times its width. If the perimeter of the garden is 100 feet, find the width and the length of the garden. Problem 3: A rectangular field has a length 10 feet more than it is width. If the area of the field is 264, what are the dimensions of the rectangular field? Problem 4: A company has found that when x units of a product are manufactured and sold, its revenue is given by x 2 + 100 x dollars and its costs are given by 240 x + 500 dollars. How many units must be produced and sold to make a profit of 10,000 dollars? (HINT: profit = revenue - costs) Problem 5: A square has a side 5 centimeters shorter than the side of a second square. The area of the larger square is four times the area of the smaller square. Find the side of each square. Problem 6: Find two numbers whose sum is 26 and whose product is 165. Problem 7: The area of a rectangle is 15 square centimeters and the perimeter is 16 square centimeters. What are the dimensions of the rectangle? Problem 8: The sum of two numbers is 20. The larger number is four less than twice the smaller number. What rae the two numbers? Problem 9: The hypotenuse of a right triangle is 2 centimeters more than the longer side of the triangle. The shorter side of the triangle is 7 centimeters less than the longer side. Find the length of the hypotenuse. More math problems with detailed solutions in this site.