Answer the following question.
Lilly and Fiona are cleaning a room. Between them, it takes 8 hours to clean the room. A quarter of the time spent cleaning was by Lilly and Fiona was responsible for the rest of the cleaning. How long, in minutes, was Fiona cleaning?
Step-by-step reasoning process: Lilly cleaned for 8 hours / 4 = 2 hours. This means that Fiona was cleaning for 8 hours total cleaning 2 hours Lilly's cleaning = 6 hours. So in minutes, Fiona was cleaning for 6 hours * 60 minutes in an hour = 360 minutes.
The answer is 360.

Answer the following question.
There are 3 numbers that are consecutive integers. Together they have a sum of 18. What is the largest of the 3 numbers?
Step-by-step reasoning process: Let N = smallest number. N + 1 = next number. N + 2 = largest number. N + (N + 1) + (N + 2) = 18. 3N + 3 = 18. 3N = 15. N = 5. The largest number is 7.
The answer is 7.

Answer the following question.
Hani said she would do 3 more situps per minute than Diana would. Diana then did 40 situps at a rate of 4 situps per minute. Calculate the total number of situps they did together.
Step-by-step reasoning process: Since Diana did 40 situps at a rate of 4 situps / minute, she did situps for 40 / 4 = 10 minutes. Hani had to do 3 + 4 = 7 situps per minute if Diana did 4 situps per minute. So over the 10 minutes Hani did 7 * 10 = 70 situps. Together, the total number of situps they did is 70 + 40 = 110.
The answer is 110.

Answer the following question.
Roe saved $10 per month from January to July and saved $15 per month from August to November. How much should she save in December so she will have a total savings of $150 in the year?
Step-by-step reasoning process: Since there are 7 months from January to July, then Roe's savings for those months sum up to $10 x 7 = $70. Since there are 4 months from August to November, then her savings for those months sum up to $15 x 4 = $60. Her total savings from January to November is $70 + $60 = $130. Therefore, she needs to save $150 - $130 = $20 in December.
The answer is 20.