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Sorry it's in black and white but i need help with 3a. b. c. and 4

Sorry it's in black and white but i need help with 3a. b. c. and 4-example-1
User Exhausted
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1 Answer

3 votes
It s for a is 20 1in for b it is 36 and for
c

its 50
User Preethi Kumar
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