IXL | Ratios and rates: complete a table and make a graph

KT's Diner makes delicious dip to serve with fresh vegetables. To make the dip, the chef uses 5 cups of sour cream for every 2 cups of plain yogurt.

Complete the table.

Cups of sour cream	5	10	15	20
Cups of plain yogurt	2

Graph the data from the table.

x-axis, Cups of sour cream, y-axis, Cups of plain yogurt. Coordinate plane graph with 1 quadrants, x-axis coordinates from 0 to 50, y-axis coordinates from 0 to 10.

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Learn with an example

question

Papi's Pizza Place sells the best pizzas in Sun Valley. To make the dough, the chef uses 5 cups of flour for every 2 cups of water.

Complete the table.

Cups of flour	5	10	15	20
Cups of water	2

Graph the data from the table.

solution

The chef uses 5 cups of flour for every 2 cups of water to make pizza dough. Write this as a ratio.

cups flour

cups water

Use this ratio to complete the table.

Cups of flour	5	10	15	20
Cups of water	2	?	?	?

To find how much water the chef uses with 10 cups of flour, multiply the numerator and denominator of the ratio by the scale factor 2.

cups flour

cups water

cups flour

cups water

For 10 cups of

flour,

the chef uses 4 cups of

water.

To find how much water the chef uses with 15 cups of flour, multiply the numerator and denominator of the ratio by the scale factor 3.

cups flour

cups water

cups flour

cups water

For 15 cups of

flour,

the chef uses 6 cups of

water.

To find how much water the chef uses with 20 cups of flour, multiply the numerator and denominator of the ratio by the scale factor 4.

cups flour

cups water

cups flour

cups water

For 20 cups of

flour,

the chef uses 8 cups of

water.

Complete the table.

Cups of flour	5	10	15	20
Cups of water	2	4	6	8

Write the pairs of numbers in the table as

(

)

ordered pairs. Write the cups of flour first and the cups of water second.

(

)

(

)

(

)

(

)

Now graph the ordered pairs.

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Teacher tools

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Not feeling ready yet? These can help:

L.4Equivalent ratios: word problems

S.9Ratio tables

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