12 problems in each assignment and he assigns the assignments 3 times a week. He has 25 students. Therefor...
12 x 3 = 36
36 x 25 = 900
Answer: 900
Assuming you meant her sister used 200 minutes which im still a little unclear of
if everyone in the family used 350 minutes it would add up to 1400, this is the number you want your minutes to add up to
400
350
200 thats 950
subtract 950 from 1400 and you have 450
450 Minutes is your answer
Answer:
C) 1 fluid Once
Step-by-step explanation:
Answer: 210
Step-by-step explanation:
We know that the number of combinations of n things taken r at a time is given by :-
So, number of ways to select 3 plants out of 7 =
Also number of ways to arrange them in 3 positions = 3! = 6
Now , total number of arrangements with 1 plant in each spot = (number of ways to select 3 plants out of 7) x (number of ways to arrange them in 3 positions)
= 35 x 6
=210
Hence, required number of ways = 210
180x2= 360. 360-8= 352 so the difference in weight is raul weighs 172 more than his sister