Equivalent fractions for 22:55

Mathematics

1 answer:

aleksley [76]3 years ago

8 0

2:5, 4:10, 8:20. Hope that helped and gave u an idea.

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The ratio of red cars to blue cars in a parking lot was 5:3. If there were 40 red <br> cars

Mars2501 [29]

Answer:

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The two dot plots below compare the forearm lengths of two groups of schoolchildren:

Angelina_Jolie [31]

Answer:

Group A, because seven children have a forearm length longer than 10 inches

Step-by-step explanation:

Create the dot plots based on the given information (please see attached images).

Group A = blue dots

Group B = red dots

From inspection of the attached dot plots, we can see that Group A appears to have the longer average forearm length. This is because 7 children have a forearm length of longer than 10 inches.

To calculate the average forearm length, sum all data values and divide by the total number of data values.

$\textsf{Average of Group A}=\dfrac{ 3 \times 10 + 4 \times 11 + 3 \times 12}{10}=11$