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you go grocery shopping and spend a total of $40. you purchase 4 boxes of cookies and 4 bags of chips. your
friend also goes grocery shopping and purchases 3 boxes of cookies and 5 bags of chips for a total of $40.
how much did each package of cookies and each bag of chips cost?

a package of cookies cost $ 5 and each bag of chips cost $5

Step-by-step explanation:

Let x represent the cost of a package of  cookies and y represent the cost of a bap of chips ,then from the first statement :

4x + 4y = 40

dividing through by 4 , we have

x + y = 10 equation 1

From the second statement

3x + 5y = 40   equation 2

Solving the system of linear equation by substitution method , from equation 1 , make x the subject of the formula , that is

x = 10 - y equation 3

substitute x = 10 - y into equation 2 , we have :

3 (10 - y ) + 5y = 40

30 - 3y + 5y = 40

30 + 2y = 40

subtract 30 from both sides

2y = 40 -30

2y = 10

y = 5

substitute y = 5 into equation 3 , equation 3 becomes

x = 10 - 5

x = 5

Therefore ; a package of cookies cost $ 5 and each bag of chips cost $5

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3,750 deer

step-by-step explanation:

1,500 is 15 times larger than 100

lets make 250 15 times larger.

3750 deer