It is reported that the grizzly bear population has increased by 140% since 1975.
there are now 600 grizzly bears living in the wild.
how many grizzly bears were there in 1975?

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).