$$a$)$ Using a computer software for solving$$ LP$,$ the optimal solution achieved$$ is:

Upper X $1$equals

$$

$7\mathrm{.}95($round your response to two decimal$$ places$).$

Part $3$

Upper X $2$equals

$$

$5\mathrm{.}95($round your response to two decimal$$ places$).$

Part $4$

Upper X $3$equals

$$

$12\mathrm{.}59($round your response to two decimal$$ places$).$