Two cross-roads of width 5 m pass through the middle of a rectangle of dimensions
30 m by 20 m. One of the roads is parallel
to the length and the other is parallel
to the breadth. Determine the cost of
construction of the roads if 1 sq. m costs
Rs 15.

Please help me solve this with steps .​

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.