Candies

There are 150 candies in the bowl. Ivan took 7 thirtieths, Charles 6 fifteenths, and Thomas 3 tenths. How many sweets are left in the bowl?

Correct answer:

x =  10

Step-by-step explanation:

$$\begin{gathered} q=1-{\displaystyle \frac{7}{30}}-{\displaystyle \frac{6}{15}}-{\displaystyle \frac{3}{10}}={\displaystyle \frac{1}{15}}\doteq 0.0667 \\ x=150\cdot q=150\cdot 0.0667=10 \end{gathered}$$

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