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Ms. Amani and Mr.Blake each ordered supplies for their classrooms. The cost of the supplies is shown below. Ms. Amani ordered 7 pencil cases and 9 packs of folders. Mr. Blake ordered 9 boxes of crayons. What is the difference in the cost of supplies Ms. Amani ordered and the cost of the supplies Mr.Blake ordered?

Ms Amani and MrBlake each ordered supplies for their classrooms The cost of the supplies is shown below Ms Amani ordered 7 pencil cases and 9 packs of folders M class=

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katieyujung
Ms. Amani:
7 pencil cases
9 packs of folders

Mr. Blake
9 boxes of crayons

Prices:
Pencil case: $3
Box of crayons: $4
Pack of folders: $2

Ms Amani
7 x 3= 21
9 x 2 = 18 
21+18= $39

Mr. Blake
9 x 4= $36

39-36 = $3 difference.
bartonalisa93
Ms. A: 7pencil cases*$3= $21, 9folders*$2=$18 = $39
Mr. B: 9crayons*$4= $36

$39-$36= A difference of $3

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