The mass of a cat increased by 12% to 14 kg over
a 12 month period. What was its starting mass?

12.5 kg

Step-by-step explanation:

Starting mass = x

x + 12% = 14 kg

x + 12% = 1.12x

1.12x = 14 kg

Divide both sides of this equation by 1.12

x = 12.5 kg

Hope this helps :)

a² + b²= c²

24² + 7² = c²

c= 25

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