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chris has two cats named toonie and loonie. Toonie, the older cat, is one and a halftimes heavier than loonie. Their combined mass is 18 kg. What is Toonie's mass

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Melodiqs

Answer:Toonie is 6kg.

Call Toonie's weight x.

18 = x + (2x)          < This is because Loonie is twice the weight of Toonie.

18 = 3x

6 = x

So Toonie = x = 6

Loone = 2x = 12kg.