Comparing Ratios in a Table

A 3-column table with 4 rows. Column 1 is labeled Car with entries A, B, C, D. Column 2 is labeled miles driven with entries 224, 160, 576, 92. Column 3 is labeled Gallons used with entries 8, 5, 16, 4.

Compare the ratio of miles driven to gallons of gas used for Car A and Car D. Write the ratios as fractions and use a common denominator of 8.

The ratio of miles to gallons for Car A is
/8.
The ratio of miles to gallon for Car D is
/8.
The ratio for Car A is
the ratio for Car D.

1 answer

To find the ratio of miles driven to gallons used for both Car A and Car D, we will first determine their ratios as fractions and then convert them to have a common denominator of 8.

Car A:

  • Miles driven: 224
  • Gallons used: 8

The ratio of miles driven to gallons used for Car A is: \[ \frac{224}{8} \]

Car D:

  • Miles driven: 92
  • Gallons used: 4

The ratio of miles driven to gallons used for Car D is: \[ \frac{92}{4} \]

Simplifying the Ratios:

For Car A: \[ \frac{224}{8} = 28 \]

For Car D: \[ \frac{92}{4} = 23 \]

Writing the Ratios with a Common Denominator of 8:

Car A's ratio in terms of gallons: \[ \frac{224}{8} = \frac{28 \times 8}{8} = \frac{224}{8} \] So, for Car A, this is: \[ \frac{28}{8} \]

Car D's ratio in terms of gallons: \[ \frac{92}{4} = \frac{23 \times 2}{4} = \frac{46}{8} \] So, for Car D, this is: \[ \frac{46}{8} \]

Final Result:

  • The ratio of miles to gallons for Car A is \(\frac{28}{8}\).
  • The ratio of miles to gallons for Car D is \(\frac{46}{8}\).

Comparison:

The ratio for Car A is: \[ \frac{28 \text{ miles}}{8 \text{ gallons}} \] and the ratio for Car D is: \[ \frac{46 \text{ miles}}{8 \text{ gallons}} \]

Now, comparing the two ratios: \[ \frac{28}{8} \text{ is less than } \frac{46}{8} \] Thus, the ratio for Car A is less than the ratio for Car D.

In summary:

  • The ratio of miles to gallons for Car A is \(\frac{28}{8}\).
  • The ratio of miles to gallons for Car D is \(\frac{46}{8}\).
  • The ratio for Car A is less than the ratio for Car D.
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