2434148
Description
Note by katie Dack, updated more than 1 year ago
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Created by katie Dack
about 9 years ago
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Page 1
deriving a simple formulanumber of hours (h) 123h
cost of hours 1 x 25 = 25 2 x 25 = 50 3 x 25 = 75 h x 25 = 25h
call out charge50505050
total cost (c)£75 £100 £125 25h + 50
answer: C = 25h + 50
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