So we solve for each
70% of 100=70
students who didn't buy lunch=100-70=30
some of the 70 left so that the students who bought lunch, are 60% of those who are left
we know that the students who didn't buy lunch didn't change number so therefor
100% of students left-60%=40%= students that didn't buy lunch=30 so
40%=30
20%=15
100%=75
there were 75 students lfet in the cafeteria
Answer:17
Step-by-step explanation:
Answer:
2 = 4/2
Step-by-step explanation:
Well the one for the 2 wholes, Since 2 wholes equal 4/2
because 4/2 simplified is 2 whole it I believe would be 4/2
Answer:
285 (or 30% of 950)
Step-by-step explanation:
It might help if you think of it in terms of 10% and 1%. 10% is the same as dividing by 10. so 10% of 45 is 45. 1% is dividing by 100, so 10% of 55 is .55
Now, it also asks what is the amount that don't fir into the 30% and 40% of the books we know. Well, that means we want to know the remaining 30%. It's 30% history, 40% science and 30% other to make 100%.
So what is 30% of 950? You could just multiply 950 by 30% or .3, or you could do the method I mentioned. What is 10%? 95. Then you multiply that by 3 to get 30%. so 30% of 950 is 285
Answer:
The most common methods are wind, water, animals, explosion and fire. Dandelion seeds float away in the wind.
Step-by-step explanation:
Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds.