A student wants to buy pencils and erasers. Pencils cost 4 d...

Question

A student wants to buy pencils and erasers. Pencils cost 4 dollars each, and erasers cost 5 dollars each. The student has 30 dollars and wants to buy at least 2 pencils. Let x be the number of pencils and y be the number of erasers (x, y are non-negative integers). Write the system of inequalities that represents this situation. _______.

Question Analysis
This question tests the ability to convert a real-life scenario into a system of inequalities. The key is to identify the constraints and express them mathematically.

Key Concept Explanation
A system of inequalities is used to represent multiple conditions in a real-world problem. Each inequality corresponds to a constraint, such as budget limits or minimum quantities.

Step-by-step Solution
1. Identify the variables: for pencils and for erasers.
2. Write the budget constraint:

Algebra-1

Question

Answer & Analysis

Analysis

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