Answer:
8 Minutes
Step-by-step explanation:
since we are trying to find how many minutes have passed we first need to find how much substance was used during the time. we can do that by subtracting the leftover substance from the amount we started with.
666-562 = 104
Now that we know how much substance was used we can then use our conversion rate (13 per minute) and find how many minutes have passed by dividing.
104 / 13 = 8
Answer:
30
Step-by-step explanation:
21 + 9 = 30
2. He can break his strand of 10 blocks into 3 3 times 4. I think it is 74 blocks are needed.
Answer is 91.56 You add all the numbers up and divide by 9(There are 9 numbers in the sequence).
Yes 1,120 gallons per week (7 days)
Just divide 800 by 5 and see that the sprinkler system uses 160 gallons a day. Multiply 160 by 7 for the amount used a week and you will find that the answer is 1,120 gallons of water.
