# Find the Mean (Arithmetic) 100 , 120 , 160 , 160 , 180 , 200 , 200 , 240 , 280 , 300

100 , 120 , 160 , 160 , 180 , 200 , 200 , 240 , 280 , 300
The mean of a set of numbers is the sum divided by the number of terms.
100+120+160+160+180+200+200+240+280+30010
Cancel the common factor of 100+120+160+160+180+200+200+240+280+300 and 10.
Factor 10 out of 100.
10⋅10+120+160+160+180+200+200+240+280+30010
Factor 10 out of 120.
10⋅10+10⋅12+160+160+180+200+200+240+280+30010
Factor 10 out of 10⋅10+10⋅12.
10⋅(10+12)+160+160+180+200+200+240+280+30010
Factor 10 out of 160.
10⋅(10+12)+10⋅16+160+180+200+200+240+280+30010
Factor 10 out of 10⋅(10+12)+10(16).
10⋅(10+12+16)+160+180+200+200+240+280+30010
Factor 10 out of 160.
10⋅(10+12+16)+10⋅16+180+200+200+240+280+30010
Factor 10 out of 10⋅(10+12+16)+10(16).
10⋅(10+12+16+16)+180+200+200+240+280+30010
Factor 10 out of 180.
10⋅(10+12+16+16)+10⋅18+200+200+240+280+30010
Factor 10 out of 10⋅(10+12+16+16)+10(18).
10⋅(10+12+16+16+18)+200+200+240+280+30010
Factor 10 out of 200.
10⋅(10+12+16+16+18)+10⋅20+200+240+280+30010
Factor 10 out of 10⋅(10+12+16+16+18)+10(20).
10⋅(10+12+16+16+18+20)+200+240+280+30010
Factor 10 out of 200.
10⋅(10+12+16+16+18+20)+10⋅20+240+280+30010
Factor 10 out of 10⋅(10+12+16+16+18+20)+10(20).
10⋅(10+12+16+16+18+20+20)+240+280+30010
Factor 10 out of 240.
10⋅(10+12+16+16+18+20+20)+10⋅24+280+30010
Factor 10 out of 10⋅(10+12+16+16+18+20+20)+10(24).
10⋅(10+12+16+16+18+20+20+24)+280+30010
Factor 10 out of 280.
10⋅(10+12+16+16+18+20+20+24)+10⋅28+30010
Factor 10 out of 10⋅(10+12+16+16+18+20+20+24)+10(28).
10⋅(10+12+16+16+18+20+20+24+28)+30010
Factor 10 out of 300.
10⋅(10+12+16+16+18+20+20+24+28)+10⋅3010
Factor 10 out of 10⋅(10+12+16+16+18+20+20+24+28)+10(30).
10⋅(10+12+16+16+18+20+20+24+28+30)10
Cancel the common factors.
Factor 10 out of 10.
10⋅(10+12+16+16+18+20+20+24+28+30)10(1)
Cancel the common factor.
10⋅(10+12+16+16+18+20+20+24+28+30)10⋅1
Rewrite the expression.
10+12+16+16+18+20+20+24+28+301
Divide 10+12+16+16+18+20+20+24+28+30 by 1.
10+12+16+16+18+20+20+24+28+30
10+12+16+16+18+20+20+24+28+30
10+12+16+16+18+20+20+24+28+30
22+16+16+18+20+20+24+28+30
38+16+18+20+20+24+28+30
54+18+20+20+24+28+30
72+20+20+24+28+30
92+20+24+28+30
112+24+28+30