It will take 1/2 an hour because if 1/2 of a wall is painted with 1/4 of an hour, then we know if you want the other half, you have to add another 1/4 of an hour which is 2/4.
2/4 is equivalent to 1/2 so 1\2 of an hour is how long it will take.
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1 divided by 40= 0.025 if you need to round then just move the decimal 2 places to the right
Answer:
Consider points (-1, 0) and (0, 1) :
Not sure you a calculator
ANSWER
EXPLANATION
Let the number of people riding in each bus be x.
We have that 20 people are riding in 4 vans and there are x people in each van <em>(given that there is an equal number of people in each van)</em>.
This means that the product of the number of people in each van and the number of vans must be equal to the total number of people.
That is:
Solve for x:
That is the answer.