For problems like these, we use something called a
ceiling function, in which
. If we do
, we get that we do
, which is
14 buses. We take the ceiling of the division because if we don't, we know that there are going to be extra kids left over that won't be able to seat on a bus. If we just rounded down to 13 buses, we would have been able to seat only 936 kids, a full 64 kids left over.
Answer:
That is correct!
Step-by-step explanation:
Hope i could help!!!!!!!!
Hello from MrBillDoesMath!
Answer:
Not so simple. See discussion below
Discussion:
Consider these two examples:
0<= f < = 1, then (2/3) * f < (2/3) * 1 = 2/3
so the product is less than either of the factors
f = -5, then (2/3)* (-5/1) = -10/3
so the product is actually larger than the factor -5 !
In other words, the general answer depends upon the sign as well as value of the fraction. The problem probably meant that multiplying a positive fraction by a number less than 1 and >= 0 makes the product smaller. But as your see from the above examples, a more fine grained analysis is required for a full answer.
Thank you,
MrB
Answer:
Step-by-step explanation:
We're trying to make the coefficient of 
1, so that we can have x is equal to something.
We'll find the required number:
We'll check this works: 
.
The answer is 7 cups of water are needed for 21 cups of flour.
Shown work:
1 cup of water=3 cups of flours
? Cup of water=21 cups of flours
21 divided 3=7
1 multiply by 7= 7 cups of water needed
