Worksheet No. 5: Word Problems Involving Linear Inequality Direction: Solve the following word problems. Problems 1. Lea's scores on the three quizzes were 79, 82 and 93. What must be her lowest score on the next quiz in order to have an average of at least 85? 2. Two sides of a triangle has equal length. The third side is 15 cm longer than each of the other sides. The perimeter is no less than 105 cm. At least how long are the sides of the triangle? 3. A bakery makes bread in which ratio of the whole-wheat flour to white flour is 5:3. How much flour is used in making a batch of bread containing at least 40 for baking 40 kg of flour? 4. The length of a rectangle is 26 cm. What width will make the perimeter greater than 80 cm.? Answers 5. One pipe can fill a tank in two hours, and another pipe can fill it in 3 hours. How long will it take to fill at least of the tank with both pipes open? 6. A chef has Php 1 000 to bake a pizza. It costs Php 700 plus Php 38.50 for each additional topping, tax included. Solve for an inequality to find the maximum number of toppings the pizza can have.
Worksheet No. 5: Word Problems Involving Linear Inequality Direction: Solve the following word problems. Problems 1. Lea's scores on the three quizzes were 79, 82 and 93. What must be her lowest score on the next quiz in order to have an average of at least 85? 2. Two sides of a triangle has equal length. The third side is 15 cm longer than each of the other sides. The perimeter is no less than 105 cm. At least how long are the sides of the triangle? 3. A bakery makes bread in which ratio of the whole-wheat flour to white flour is 5:3. How much flour is used in making a batch of bread containing at least 40 for baking 40 kg of flour? 4. The length of a rectangle is 26 cm. What width will make the perimeter greater than 80 cm.? Answers 5. One pipe can fill a tank in two hours, and another pipe can fill it in 3 hours. How long will it take to fill at least of the tank with both pipes open? 6. A chef has Php 1 000 to bake a pizza. It costs Php 700 plus Php 38.50 for each additional topping, tax included. Solve for an inequality to find the maximum number of toppings the pizza can have.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section: Chapter Questions
Problem 12T
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