Jamie has 40 books.
I’ve had this question back when i was in school. Sorry for not explaining my work, in a bit of a hurry.
Hope this helps & good luck. :)
Answer:
32.5
Step-by-step explanation:
13 times 5 = 165
165/2 =32.5
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Answer:
Step-by-step explanation:
we know that
To find out how long is Ms.Smith’s bulletin board, multiply Mrs . Porcelli’s bulletin board by 3
so
but first convert mixed number to an improper fraction
so
substitute
convert to mixed number
The area ratio is 1:16 meaning that the old area is 1 while the new area is 16. So this is another way of saying "the area is multiplied by 16"
Take the square root of each part of the ratio of 1:16 and we get 1:4
So this is the scale factor. It tells us how the linear components of the circles relate to one another. If the circumference of the smaller circle is 1,then the larger circle has a circumference of 4.
Therefore, the circumference has been multiplied by 4