Problema Solution
raymond has a collection of 1260 united states and canadian coins. he has 2.5 times as many united states coins as canadian coins. how many united states coins does raymond have in his collection
Answer provided by our tutors
let
u =the number of US coins that Raymond has
c = the number of Canadian coins that Raymond has
Raymond has a collection of 1260 US and Canadian coins
u + c = 1260
he has 2.5 times as many US coins as Canadian coin
u = 2.5*c
by solving the system
u + c = 1260
u = 2.5*c
we find
u = 900 coins
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Raymond has 900 US coins.