Question

t takes 5 minutes to fill the sink using only the cold water. If both the hot water and the cold water are turned on, it takes 2 minutes to fill the sink. Which is the correct table that can be used to determine x, the time in minutes it takes to fill the sink using only the hot water?

Answer 1

2/5+2/x=1
2x/5x+10/5x=1
2x+10=5x
3x=10
x=10/3=3,3

Answer 2

x=5+2       Is probably the answer                                            Not sure tho