Kittens

Sometimes Grace has kittens. Each kitten has 1/3 as much cat food as a full-grown cat. How many kittens can Grace feed with the 1.47 pounds? Solve on paper. Then check your work. 1 full-grown cat need 0.25 pound of food.

Correct answer:

k =  4

Step-by-step explanation:

$$\begin{gathered} c=0.25\text{ lb } \\ {c}_1=1{\displaystyle \frac{1}{3}}=1+{\displaystyle \frac{1}{3}}={\displaystyle \frac{1\cdot 3+1}{3}}={\displaystyle \frac{4}{3}}\doteq 1.3333 \\ x\cdot c_1\cdot c=1.47 \\ x\cdot 1.33333333333\cdot 0.25=1.47 \\ 0.333333x=1.47 \\ x={\displaystyle \frac{441}{100}}\doteq 4.41 \\ k=\lfloor x\rfloor =\lfloor 4.41\rfloor =4 \end{gathered}$$

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