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Mathematics 7 Online
OpenStudy (anonymous):

Out of 80 cats, 35 had striped tails, and 36 had spots. 15 cats did not have striped tails or spots. How many cats had both?

OpenStudy (anonymous):

is ans is 6

OpenStudy (anonymous):

is my ans is correct

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

can u help me with another one @akshay1234

OpenStudy (anonymous):

On a voyage to Atlantis, Ariel from The Little Mermaid decided to pick up shells so that she could make necklaces for her mermaid friends. She picked up 30 green shells, 35 blue shells, and 30 yellow shells. 17 of the green shells had some blue in them. 15 of the shells had both yellow and blue in them, and 10 of the shells had both yellow and green in them. If just one shell had all three colors in it, how many total shells did Ariel pick up?

OpenStudy (anonymous):

yes show me question i will try

OpenStudy (anonymous):

On a voyage to Atlantis, Ariel from The Little Mermaid decided to pick up shells so that she could make necklaces for her mermaid friends. She picked up 30 green shells, 35 blue shells, and 30 yellow shells. 17 of the green shells had some blue in them. 15 of the shells had both yellow and blue in them, and 10 of the shells had both yellow and green in them. If just one shell had all three colors in it, how many total shells did Ariel pick up?

OpenStudy (anonymous):

@akshay1234

OpenStudy (anonymous):

55

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

Mary likes three kinds of juice and four kinds of pancakes. J={Orange,Grape,Pineapple} P={Banana,Coconut,Peach,Swedish} What does J×P represent?

OpenStudy (anonymous):

i think j means juice and p is pancakes

OpenStudy (anonymous):

yes ur write

OpenStudy (anonymous):

X = {1, 3, 4, 9} Y = {3, 4, 5, 6, 8} Z = {0, 2, 7, 9} How many elements are in (X ∪ Y) ∩ Z ?

OpenStudy (anonymous):

9

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