QUESTION $4$

The following linear programming problem has been written to plan the production of two products for a company

$x1=$ Number of product $1$ produced in each batch

$x2=$ Number of product $2$ produced in each batch

MAX: $,1501+2502$

Subject to:

$(resource1)21+52200$

$(resource2)31+72175$

$x1,x20$

How many units of resource $1$ are used if the company produces $10$ units of product $1$ and $5$ units of product $2?$

$45$

$15$

$55$

$50$