Afamily saves $65 every 2 weeks how much will the family save in 8 weeks

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Through non-collinear points there is exactly one plane.

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.