Answer:
8
Step-by-step explanation:
Range is found by taking the largest number and subtracting the smallest number
The largest number is 9
The smallest number is 1
9-1 =8
The range is 8
30x + 30y = 450
20x + 25y = 345
answer: 3 square ft per minute
Multiply all terms by the common denominator which is 15
Answer: 60 gallons
Step-by-step explanation:
5 minute = 30 gallons
10 minutes will use double as m uch water because it's double as much time
Therefore, it will use 60 gallons of water
Answer:is there a picture along with this? I don't remember how to do these but this sounds like something with a picture included
Step-by-step explanation: