2.02b Spending Linear Representations

Please show me the explanation for the correct answer. I do not understand why I got it wrong.

X 3. Robert borrowed $750 from his parents to make some repairs on his car. He promised to repay the loan by giving his parents at least $67 from his paycheck each week. If x represents the number of weeks, which linear inequality represents the amount of debt Robert has remaining? (1 point) O y 2 $67x - $750 X O y s $67x - $750 O y 2 $67x + $750 y S $67x + $750 Points 0 /1X 8. Use the graph to answer the question that follows. 12 3 4 5 6 7 1 91011121314151- Lane has a gift card worth $300 for a local entertainment store. Movies cost $20 each and newly released video games cost $50 each. In order to use the gift card, Lane must purchase at least seven items. If Lane wants to spend as much as possible on his gift card by purchasing the most items, which combination of movies and newly released video games is optimal? (2 points) 0 /2