What is the operation per 1000 gallons

METER SIZEBI-MONTHLY USAGE INCLUDED IN MINIMUMBI-MONTHLY MINIMUM CHARGESRATE PER 1000 GALLONS

3/4″ Residential5,000 gallons$18.00$3.60

3/4″ Commercial8,000 gallons$28.80$3.60

1″20,000 gallons$72.00$3.60

1 1/2″40,000 gallons$144.00$3.60

2″64,000 gallons$230.40$3.60

3″128,000 gallons$460.80$3.60

4″200,000 gallons$720.00$3.60

6″400,000 gallons$1,440.00$3.60

8″640,000 gallons$2,304.00$3.60

10″920,000 gallons$3,312.00$3.60

Multifamily per residential unit5,000 gallons per unit$18.00 per unit$3.60

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.