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3 years ago

8

The ratio of boys to girls in Mr. Castillo's class is 2 to 3. Which of the following cannot be the total number of students in M

r. Castillo's class: 20, 24, 25, or 30?

1 answer:

WARRIOR [948]3 years ago

3 0

Answer is 24 because you cannot divide 24 by 5 without getting a decimal

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Trees are planted at intervals of 5 m along side of a 140 m straight path. The first tree is planted at the start of the path an

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<h3>Solution :</h3>

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let's solve for number of trees (n) :

$\hookrightarrow \: (n - 1)d = 140$

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$\hookrightarrow \: n = 29$

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3 years ago