Jordan has 90 photos. Explain three ways he can arrange the photos in his album so he has the same number of photos on each page

2 answers:

8 0

Divide the number of pages in the album by the 90 photos
Place one photo on a page at a time then start over when he reaches the end of the album and continue to repeat until all photos are gone
Just have one page of photos

Stella [2.4K]3 years ago

6 0

Answer: 1) 3 photos on each page, such that all 90 photos will be arranged in 30 pages.

2) 9 photos on each page, such that all 90 photos will be arranged in 10 pages.

3) 10 photos on each page, such that all 90 photos will be arranged in 9 pages.

Step-by-step explanation:

The number 90 can be written as

$3\times30=90...................(1)\\9\times10=90....................(2)\\10\times9=90............................(3)$

Now, the three ways Jordan can arrange the photos in his album so he has the same number of photos on each page will be

From (1), Jordan can arrange 3 photos on each page, such that all 90 photos will be arranged in 30 pages.

From (2), Jordan can arrange 9 photos on each page, such that all 90 photos will be arranged in 10 pages.

From (3), Jordan can arrange 10 photos on each page, such that all 90 photos will be arranged in 9 pages.

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Molly opened a savings account with a one‐time deposit of $100 that will be left in the account for at least 5 years. The saving

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The amount of interest Molly will earn after 5 years on a deposit of $\$100$ compounded annually over 5 years is $\$27.63$

First, we need to find the future value of her investment, then we subtract the original deposit from it to get the amount of interest she will get at the end of 5 years.

The future value of an investment that is compounded annually is given by

$A=P(1+r)^t$

where

$A=\text{Amount of money in Molly's account after 5 years}\\P=\text{Molly's initial deposit into her account}=\$500\\r=\text{The annual interest rate as a decimal}=0.05\\t=\text{The time the money is invested (in years)}=5$