Answer:
39 liters
Step-by-step explanation:
6.5×6=39
so 39 litres
25/100=30/x x=120 (30+70y)/(120+100y)=50/100 100y=?
Answer:Flying potatox x plus y yes
Step-by-step explanation:
1) find x
y=1/(x+3) -4
y+4=1/(x+3) -4+4
y+4=1/(x+3)
x+3 =1/(y+4)
x= 1/(y+4) - 3
2) change x on y , and y on x
x= 1/(y+4) - 3
y= 1/(x+4) - 3 This is an answer.