Instead of dividing 220 x 5 double both numbers and mentally calculate the quotient

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

Thirteen bowlers were asked what their score was on their last game. the scores are shown below 190,150,154,194,181,190,170,151,170,178,161,180 find the range of the bowlers score a.56 b.44 c.34 d.23

The girls used two different recipes for making apple pies. dinas pie baked for 2/3 hour. vals pie baked for 0.75 hour. whos pie had the longer bsking time?