liyahheadhigh
29.03.2021 •
Mathematics
9. Find the equation of a line through (-1,0.5) and
perpendicular to 5y-4x+7=0
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Ответ:
Ответ:
100-40=60
60% left
50% of remaining on toys
50% of 60%=30%
he has 21 left
21=30%
find 100%
$21=30%
divide by 3
$7=10%
times 10
$70=100%
he had $70 at first