A rectangular lot whose perimeter is 350 ft is fenced along three slides. An expensive fencing along the lots length cost 18$ pe
r foot. An inexpensive fencing along the two side widths costs only 3$ per foot. The total cost of the fencing along the three sides come to $2430. What are the lots dimensions? Need help asap
The sum of the first twenty terms of an arithmetic progression is 45, and the sum of the first fourty term is 290, find the first terms and the Common difference.
