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anonymous
 one year ago
Annmarie can plow a field in 240 minutes. Gladys can plow a field 80 minutes faster. If they work together, how many minutes does it take them to plow the field?
anonymous
 one year ago
Annmarie can plow a field in 240 minutes. Gladys can plow a field 80 minutes faster. If they work together, how many minutes does it take them to plow the field?

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amoodarya
 one year ago
Best ResponseYou've already chosen the best response.0\[\frac{ A }{ 240 }=\frac{ G }{24080 }\\A=\frac{3}{4}G\]

amoodarya
 one year ago
Best ResponseYou've already chosen the best response.0you have to find A+G

amoodarya
 one year ago
Best ResponseYou've already chosen the best response.0oh . sorry i had a mistake

amoodarya
 one year ago
Best ResponseYou've already chosen the best response.0\[\frac{ a }{ 240 }=\frac{ g }{160 }\\\frac{ a }{ 24 }=\frac{ g }{16 }\\\frac{ a }{ 3 }=\frac{ g }{2 }\]

phi
 one year ago
Best ResponseYou've already chosen the best response.2I would use the idea of rate * time = amount of work rate is how much work you do per minute for example A does 1 field/240 minutes B goes 80 minutes faster so 1 field/160 minutes you can add the rates (1/240 + 1/160)* t = 1 field add the two fractions, and then find t

amoodarya
 one year ago
Best ResponseYou've already chosen the best response.0\[\frac{ a }{ 3 }=\frac{ g }{ 2 }=\frac{ a+g }{x }\] find x

amoodarya
 one year ago
Best ResponseYou've already chosen the best response.0"phi" said it very simpler ,and clear
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