Converting between percents decimals and fractions answer key

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

The anwser cause i do not understand just plez

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