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16.06.2020 •
Mathematics
Divide 940 among a,b,c in the ratio 1/3: 1/4: 1/5
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Ответ:
Step-by-step explanation:
take x
1/3x+1/4x+1/5x
lcm=60
20/60x+15/60x+12/60x
47/60x=940
47x=940x60
47x=56400
x=56400/47
x=1200
a=400 b=300 c=240
Ответ:
A.
Step-by-step explanation: