Marvin has 4 books to read for homework this week if he reads 2/3 of a book each night how many nights will it take him to read all four book's?

Answers

Answer 1
Answer: Four divided by 2/3 equals 4/1×3/2=twelve halfs, 12/2÷2/2=6/1=6
Answer 2
Answer: 6 because I did the work and it's right

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Find the highest common factor (HCF) of 12 and 20.

Answers

The factors of are 12, 6, 4, 3, 2, 1, while those for 20 are 20, 10, 5, 4, 2, 1. The common highest factor for the two numbers is 4.

benito read 14 books in 3 months, which was 35% of the number of books he had signed up to read during the school year .how many books did Benito sign up to read?

Answers

14 books in 3 months is 35%
all of books is 100%

14- 35%
x- 100%
we calculate from proportions, crosswise:
x=(14*100)/(35)=(1400)/(35)=40

Answer: Benito sign up to read 40 books.

Greetings,
n00nst00p :)

Holly bought CDS and spent $34.57 . what is the amount rounded to the nearest dollar

Answers

As the second part of the cost is above 0.5, this means that it is being rounded up.
Therefore, it is rounded up to $35
Hope this helps :) 
The answer is $35 becuause you have to round 4 up

Which is greater 0.4 or 0.32

Answers

0.4 is greater than 0.32, because 0.32 is smaller than 0.4.
0.4 is greater than 0.32. I hope I helped.

Lexi has a roll of shelf paper that is 800 cm long.she wants to cut the paper int i-m strips to line the shelves in her pantry.how 1-meter strips can she cut?

Answers

she can cut 8 strips

Ok, so Lexi has an 800 cm long roll of paper. And she needs to cut the paper into 1 meter strips. We know that 800 centimeters would need to be converted to meters in order to see how many 1 meter strips can be made from this roll of paper.

100 cm = 1 m

800 cm = 8 m

Since her roll is 8 m long, she should be able to make 8 strips to line the shelf in her pantry.

A climber is on a hike.after 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?

Answers

Answer:

75 feet per hour is the rate of change in altitude.

Step-by-step explanation:

A climber is on a hike. After 2 hours he is at an altitude of 400 feet.

After 6 hours, he is at an altitude of 400 feet.

We have to determine the average rate of change in altitude.

We know rate of change in altitude = \frac{\text{(Change in altitude)}}{\text{Change in time}}

= (700-400)/(6-2)

= (300)/(4)

= 75 feet per hour

Therefore, 75 feet per hour is the rate of change in altitude.

Average rate of change =
(change in height during some time) / (length of time for the change).

Change in height = (700 feet - 400 feet) = 300 feet

Time for the change = (6 hours - 2 hours) = 4 hours

Average rate of change = (300 feet) / (4 hours) = 75 feet per hour