C is the answer i just did this answer and get it correct
Either $28 or $30 depending on how your teacher wants you to round
At 3.30 pm he started reading where he left off.
At 5.30 pm he is at page 160
At 8.00 pm he is at page 280
Between 5.30 pm and 8.00 pm he has covered = 280 - 160 = 120 pages
That is in between (8.00 - 5.30) = 2 hours 30 minutes = 2 and 1/2 hours
= 2.5 hours
Therefore he covered 120 pages in 2.5 hours, this would be used to set up the linear function.
Between 3.30 pm and 5.30 pm is (5.30 - 3.30) = 2 hours
We need to find how many pages can be covered in 2 hours.
In 2.5 hours 120 pages were covered.
In 1 hour = 120 / 2.5 = 48 pages.
In 2 hours = 48 * 2 = 96 pages.
If he went at the same rate, that means at 2 hours before 5.30 which is the 3.30, he would have covered 96 pages
Page number = 160 - 96 = 64, Since he was at 160 at 5.30
So he started at page 64 at 3:30 pm
Joe has 82 yards of cotton. His friend has 104 more
104 + 82 = 186
186 yards is how much cotton yarn his friend has
hope this helps
(5 * 1/3) * 3 = 5 * (1/3 * 3)
the associative property of multiplication allows us to regroup the numbers without changing the answer
(5 * 1/3) * 3 = 5/3 * 3 = 15/3 = 5
but by regrouping, it is much easier
5 * (1/3 * 3) = 5 * 1 = 5
another example..
(6 * 2/3) * 3/2 =
12/3 * 3/2 =
12/2 =
6
but by regrouping...
6 * (2/3 * 3/2) =
6 * 1=
6