She burns 250 by herself and she burns 3 times as many with her sister.
Multiply the calories by herself by 3:
250 x 3 = 750
Now you need to multiply that by the number of hours.
The formula is a. t[c(h)] = 750h
Try writing and solving an equation of proportions:
4 5
---- = ----
6 x
Then 4x = 30, and x = 7.5 (answer)
Answer:
1.014e+6
Step-by-step explanation:
can't explain, I would if I could
Answer:
27
Step-by-step explanation:
4p+%2B+2c+=+78
4%2A12+%2B+2%2A15+=+78
48+%2B+30+=+78
78+=+78
Answer:
33.75
Step-by-step explanation:
45 : 100 = 0.45
75 x 0.45 = 33.75