Alex’s father bought 3 kg of tomatoes. Out of this, he used 300 g of tomatoes to prepare his signature pizza sauce. What fraction of tomatoes is still unused?

\frac{9}{10}

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\frac{1}{10}

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\frac{4}{15}

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Solution

The correct option is A $\frac{9}{10}$
Convert the units and make them the same.
1 kg = 1,000
3 kg = 3,000 g

Unused tomatoes: 3000 - 300 = 2700

Fraction of the tomatoes used: $\frac{2700}{3000} = \frac{9}{10}$

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Alex’s father bought 3 kg of tomatoes. Out of this, he used 300 g of tomatoes to prepare his signature pizza sauce. What fraction of tomatoes is still unused?

The correct option is A 910Convert the units and make them the same. 1 kg = 1,000 3 kg = 3,000 g Unused tomatoes: 3000 - 300 = 2700 Fraction of the tomatoes used: 27003000=910

The correct option is A $\frac{9}{10}$
Convert the units and make them the same.
1 kg = 1,000
3 kg = 3,000 g

Unused tomatoes: 3000 - 300 = 2700

Fraction of the tomatoes used: $\frac{2700}{3000} = \frac{9}{10}$