Lesson 5.6-Number Problems Obj: To solve # word problems
Example 1 The length of a Rectangle is 2 cm less than 3 times the width. Find the Dimensions if the perimeter is 44 cm. 1 st let x step Let x width 3x 2 length
Example 1 continued P 2L 2W 1)Let step 2)Set up equation 3)Solve equation 4)Answer the question in words P 44 2(3x 2) 2x 44 6x 4 2x 44 8x 4 44 44 48 8x x 6 3x 2 16 6 cm by 16 cm
Example 2 Daves salary is 4 times Jims salary. Together they make $ Find their salary. Let x = Jims salary Let 4x = Daves salary x + 4x = x = x = x = Jims salary 4x = 256 or Daves salary