Mario invested $475 in $45 and $25 stock shares. the number of $25 shares was 5 less than 3 times the number of $45 shares. how many of each type of share did he buy?

Explanation:

Let Number of $45 shares be x

Let number of $ 25 shares be 3x-25

According to question,

So,

The number of $25 shares is 10 and the number of $45 shares is 5

Step-by-step explanation:

Let x be the number of shares of $25 and y be the number of shares of $45

So, total cost of $25 shares = $25x

So, total cost of $45 shares = $45y

Since we are given that The number of $25 shares was 5 less than 3 times the number of $45 shares.

Equation becomes :  --1

Mario invested $475 in $45 and $25 stock shares.

Equation becomes :  --2

Substitute the value of x from 1 in 2

Substitute the value of y in 1

So, the number of $25 shares is 10 and the number of $45 shares is 5

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.

a.) list the factors of 40.

1/2/4/5/8/10/20/40

b.) list the factors of 40 that represent the number of cans that could be on each shelf.

5

c.) how many different arrangements of cans are possible?

just one because if you put more on one shelf you will go way over 40 and the cabinet will probably break.

d.) what are the possible arrangements of the cans?

put 5 cans on each self to reach 40 cans in total.

e.) which arrangement uses all the shelves?

5 because you can put 5 cans on each shelf, and since there are 8 shelfs you are equally going to get 40 cans.