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Jessifraser589
09.07.2019 •
Mathematics
Yoko,carlos,and milan have a total of $106 in their wallets. milan has 3 times what yoko has. carlos has $9 less than yoko. how much does each have?
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Ответ:
Yoko = $23, Carlos = $14 and Milan = $69
let y represent the amount Yoko has then
Carlos = y - 9 → ( 9 less than Yoko) and
Milan = 3y → ( 3 times as much as Yoko)
the total amount is 106 thus
y + y - 9 + 3y = 106
5y - 9 = 106
add 9 to both sides
5y = 106 + 9 = 115
divide both sides by 5
y =
= 23
thus Yoko has $23, Carlos has $23 - $9 = $14and Milan has (3 × 23) = $69
Ответ: