MATHEMATICS · Multi-part · CBSE · Mathematics · Linear Inequalities · Linear Inequalities
Problem
A school canteen offers a prepaid lunch card. Each card is loaded with a fixed balance of Rs 300. Each day a meal costs Rs x. The canteen wants to ensure that a student can eat for at least 12 school days on a single card.
(i) Set up an inequality in x that represents the above requirement.
(ii) Solve the inequality obtained in part (i) and express the answer in interval notation.
(iii) Represent the solution set on a number line, clearly indicating open or closed endpoints.