1. The width of a rectangle varies inversely with its length at a constant area of 98 sq. cm. Find
the length and width of the rectangle if its length is twice the measure of its width.
2. The height of a pyramid varies jointly with thrice its volume and the reciprocal of the product
of the length and width of its base. Find the height of the pyramid whose volume is 108 cm
and whose are of the base is 24 cm??
3. The number of men needed to cement a barangay road varies directly with the length of the
road at a constant width and inversely with the number of days required to do the job. If a
30m road can be cemented by 10 men in 12 days, how wide is the road? How many days will
it take 50 men to cement a road that is 1km long?​