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The ratio of boys to girls is 4:5 what is the ratio of boys if the total is 81 students?
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Apr 10, 2017
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The ratio of boys to girls is 4:5 what is the ratio of boys if the total is 81 students?
Mathematics
middle-school
Simon East
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Simon East
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4:5
4:9 is boys to total amount
9 x 9= 81
4 x 9 = 36
36 is the answer
Cube Drone
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Apr 13, 2017
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Cube Drone
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Boys to girls 4:5
boys to total: 4:9 (4+5=9)
?:81
well 9*9 equals 81 so 4*9=36
36
Majid Ghafouri
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Apr 17, 2017
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Majid Ghafouri
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