20 imperial gallons = 90.9218 litres
so i'd say you'd need to buy 91 bottles or...
20 US Liquid gallons = 75.7082 litres
so you'd have to buy 76 bottles.
Hope this answers your question! It depends what gallon you're working from.
1). The slope is 6 and the y-intercept is 10 .
2). The slope is zero and the y-intercept is 100.
490
Step-by-step explanation:
4333333
67
8