Question

The length of the adjoining rectangular park is two times its
breadth. The cost of constructing two crossing paths running
across the middle of the park at Rs 20 per sq. m is Rs 9000. If the
cost of plastering the shaded portion of the park at Rs 35 per sq. m
is Rs 315, find the cost of growing grasses in the empty spaces at
Rs 12 per sq. metre.​

Answer 1

Mathematics includes the study of such topics as quantity, structure, space, and change. It has no generally accepted definition. Mathematicians seek and use patterns to formulate new conjectures; they resolve the truth or falsity of such by mathematical proof.