Answer:
fill the 5l bottle up completely
pour the contents of the 5l bottle into the 3l until completely full
this should leave you with 2 litres in the 5 l bottle
empty out the water in the 3 litre bottle and then pour in the 2 litres
fill the 5 litre up completely and you have 7 litres
Step-by-step explanation:
X = 19/3
________
________
0.7/1 of a wall per person
So you subtract, 27-22. 27-22 is equal to 5. So, John will buy 5 kinds of T- Shirts.