Select the pairs of ratios that form a true proportion. choose all that apply a 3: 6 and 5: 10 b 4/12 and 6/18 c 20/5 and 10/3 d 24: 36 and 8: 9

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