jimhas 100 cards. there is a whole number from 1 to 100 on each card. nocards have the same number. Jim puts a Star on every card that has a multiple of 3 on it. he puts a circle on every card that has a multiple of 7 on it. what numbers are on the cards that have both a Star and a circle on them? the final line of your answer must list only these numbers.

Question

Mathematics

Guest

18 February, 23:24

jimhas 100 cards. there is a whole number from 1 to 100 on each card. nocards have the same number. Jim puts a Star on every card that has a multiple of 3 on it. he puts a circle on every card that has a multiple of 7 on it. what numbers are on the cards that have both a Star and a circle on them? the final line of your answer must list only these numbers.

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Answers (1)

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Carmen Park · Answer 1

21, 42, 63, 84.

Step-by-step explanation:

The cards with a star and a circle must be multiples of 3 and 7.

So these must also be multiples of 21:

These are 21, 42, 63 and 84.