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Hannah makes a list of possible gifts for Mary, Jared, and Michel. She has two plans and can spend a total of $75 for all gifts. Which plan(s) can Hannah afford?

 

Plan 1

Same Gifts: DVD $22

 

Plan 2

Different Gifts: 

Mary: Sweater $29.26

Jared: Book $23.99

Michael: Cactus $23.74

 

• What porperty can you use to make it easier to find the total cost of different gifts?

 

• What number do you compare to the total cost of each plan to decide whether it is affordable?

 Sep 10, 2016

Best Answer 

 #1
avatar+249 
+5

Plan 1: 22*3 = 66, so she can afford plan 1.

 

Plan 2: 29.26+23.99+23.74 = 76.99, so she can not afford plan 2. 

 

Question 1: The associtative property of addition (when adding 3 numbers, it doesn't matter which numbers you add first: (a+b)+c = a+(b+c). 

 

Question 2: The maximum amount of money she can spend, which is $75. 

 Sep 10, 2016
edited by higgsb  Sep 10, 2016
 #1
avatar+249 
+5
Best Answer

Plan 1: 22*3 = 66, so she can afford plan 1.

 

Plan 2: 29.26+23.99+23.74 = 76.99, so she can not afford plan 2. 

 

Question 1: The associtative property of addition (when adding 3 numbers, it doesn't matter which numbers you add first: (a+b)+c = a+(b+c). 

 

Question 2: The maximum amount of money she can spend, which is $75. 

higgsb Sep 10, 2016
edited by higgsb  Sep 10, 2016
 #2
avatar+73 
-1

Thanks but what about the others questions?

 

• What porperty can you use to make it easier to find the total cost of different gifts?

 

• What number do you compare to the total cost of each plan to decide whether it is affordable?

GAMEMASTERX40  Sep 10, 2016
 #3
avatar+73 
0

Now that better, thanks!!! Oh and just for correcting you. Question 2 is worng! The answer is to compare the total cost of each plan. So for the DVDs total cost is $66 and for the different gifts is $76.99 so if you compare those two you see that she can afford the DVDs.

 

• What number do you compare to the total cost of each plan to decide whether it is affordable?

GAMEMASTERX40  Sep 10, 2016

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