IXL | Multi-step word problems: multiplicative comparison

Jasper loves to watch the fish at the zoo's aquariums. There are 153 different species of fish in the aquariums. The saltwater aquarium contains twice as many different species of fish as the freshwater aquarium.

How many different species of fish does the saltwater aquarium contain?

species of fish

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Learn with an example

question

Victoria is a member of both a soccer team and a swim team. Last summer, she had a total of 105 practices for the soccer and swim teams. Victoria had twice as many swim practices as soccer practices.

How many swim practices did Victoria have last summer?

practices

solution

You need to find how many swim practices Victoria had last summer. Start with the information in the problem.

She had 105 practices altogether.
She had twice as many swim practices as soccer practices.

You can use a diagram to model the problem. Victoria had twice as many swim practices as soccer practices. So, draw 1 box to represent the number of soccer practices she had and 2 boxes to represent the number of swim practices.

soccer

swim

There are 3 boxes in the diagram in all. She had 105 practices altogether. So, each box represents

105

practices. Divide.

–

Each box represents 35 practices. There are 2 boxes for swim practices. Multiply to find the number of swim practices Victoria had.

Victoria had 70 swim practices last summer.

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E.15Divide 4-digit numbers by 2-digit numbers: word problems

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