24:00
1 of 5
Edexcel 1MA1
Higher
Calculator
A22 Linear and quadratic inequalities
Question 1 · 3 marks
Spec and skills
Paper scope: Papers 2/3: calculator practice
Spec A22
Original practice question
Answer and supported method checks
x and y are positive integers. They satisfy x + 2y
≤
\le
≤
13 and 3x + y
≤
\le
≤
17. Find the greatest possible value of 4x + 5y.