lLavenderl
05.06.2021 •
Mathematics
Two numbers differ by 18. If 2/7 of the larger is 6 more than 1/4 of the smaller, find the two numbers
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Ответ:
Step-by-step explanation:
1) x-y=18
2) 2x/7-y/4=6
from 1) x=18+y substituting in 2)
2(18+y)/7-y/4=6
36/7+y(2/7-1/4)=6
y=(6-36/7)/(2/7-1/4)
y=(6/7)/(1/28)
y=24
x=18+y=18+24
x=42
Ответ:
they were better after the rivolution