Answer:
Step-by-step explanation:
c + f = 16......c = 16 - f
340c + 910f = 9430
340(16 - f) + 910f = 9430
5440 - 340f + 910f = 9430
-340f + 910f = 9430 - 5440
570f = 3990
f = 3990/570
f = 7 <====== 7 first class tickets bought
c + f = 16
c + 7 = 16
c = 16 - 7
c = 9 <====== 9 coach tickets bought
<span>We will consider that the average volume of a cup is 200 ml, that is 0,2 liters.
That means 1 liter of liquid in cups is:
1 liter * 0.2 cup/liter = 5 cups
Then the equivalent of recommended liquid in number of cups is:
2.2 litres * 5 cup / liter = 11 cups of 200 ml each.</span>
do it step by step will it work yes
