Answer:
3 1/3, or 10/3
Step-by-step explanation:
1 2/3 * 2 = 5/3 * 2 = 10/3 = 3 1/3
I think the answer is the second one, Tessa wasn't sure how far she would swim during the first class. She would swim 3 laps during the second class. The question is confusing, because the equation s+3 is supposed to be the DISTANCE she swam in 2 classes. The problem didn't specify that distance equals laps, but I think the answer is correct
Answer:
The answer is 11250
Step-by-step explanation:
Answer:
the person entering the room is 10 years old
Step-by-step explanation:
x / 5 = 40
x = 40 * 5
x = 200
so the total of all the ages of 5 people is 200
x/ 6 = 35
x = 35 * 6
x = 210
the total of all the ages of 6 people would have to be 210 for there to be a mean age of 35
therefore, a ten year old kid entering the room, will make up the difference