Question

0,6:y+2,99=3 спасибо заранее

Answer 1

$0.6 \div y + 2.99 = 3 \\ 0.6 \div y = 0.01 \\ y = 0.6 \div 0.01 \\ y = 60$

Answer 2

0,6:y+2,99=3
3/5*1/y+299/100=3
3/5y+299/100=3
3/5y=3-299/100
3/5y=1/100
300=5y
5y=300
y=60