Chapter 1 - 1.7 - Linear Inequalities in One Variable - 1.7 Exercises - Page 138: 97

$87 \leq x \leq 210$

Formulate the inequality using the given conditions $400 \leq (7.95x - 1.45x)-165$ $400\leq 6.5x-165$ $565\leq 6.5x$ $87\leq x$ (rounded up) $1200 \geq 6.5x-165$ $1365\geq 6.5x$ $210\geq x$ $87 \leq x \leq 210$