He needs 6 litres of the 20% and 2 litres of the 60% a simple trial and error method will do in this type of equation
Answer:
D 41/10
Step-by-step explanation:
substitute the values given into the equation. Calculate.
I believe the answer is A.
The other values have repeated X values.
The median means the number that is in the middle of the spnumber sequence in least to greatest.
1) number the numbers up. 2,2,3,6,7
2) start by crossing off the last from the greatest. Then you can see that 3 is the median.