Solve.If the problem asks for a ratio, give it in simplified form.

1 a.

A bag contains 153 marbles, some blue and some green.
The ratio of blue marbles to green ones is 3 : 6. How many green marbles are there?

2 a.

A bag contains 153 marbles, some green and some transparent.
The ratio of green marbles to transparent ones is 4 : 5. How many green marbles are there?

3 a.

A kennel has 40 dogs in total, some are puppies and some are adult dogs.
The ratio of puppies to adult dogs in a kennel is 1 : 4. How many puppies are there?

4 a.

A bag contains 117 marbles, some blue and some white.
The ratio of blue marbles to white ones is 2 : 7. How many white marbles are there?

Page 2

Answer Key

1 a.

There are 102 green marbles.

2 a.

There are 68 green marbles.

3 a.

There are 8 puppies.

4 a.

There are 91 white marbles.

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