stackpoolekrysp71si4
22.07.2019 •
Mathematics
Each member of a pack of 55 wolves has either brown or blue eyes and either a white or a grey coat. if there are more than 3 blue-eyed wolves with white coats, are there more blue-eyed wolves than brown-eyed wolves?
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Ответ:
Imagine what x is tea groccer selling for 80 cents per pound
y is tea groccer selling for 60 cents per pound
{80x+60y=50*74=3700
{x+y=50 //*60
{80x+60y=3700
-
{60x+60y=3000
20x=700
x=35
y=50-35=15
Answer
There is need to use 35 pounds of 80 cents tea and 15 pounds of the 60 cents tea.