kat drew a line that was inches long,bob drew a line that is centimeters long.whose line is longer.

Mathematics
Tutor: None Selected Time limit: 1 Day

kat drew a line that's 14 inches long and bob drew a line that was 14 centimeters long who line was longer.

May 17th, 2015

Hello!

Here's what we are given:

Kat's line = 14 inches

Bob's line = 14 centimeters

If you already know that inches are longer than centimeters, then you know that Kat's line is longer.

If you did not know that, you must convert Kat's line length from inches to centimeters, to compare the two numbers.

Convert inches to centimeters (from google search): 1 inch = 2.54 cm

Now convert 14 inches to cm.  You can do this by setting the inches to cm conversion as a proportion, then multiplying it by 14 inches:

Kat's line = 14 inches * (2.54cm/1inch) = 35.56 cm

The inches cancel out, leaving the units as centimeters.  Now you can see that Kat's line is 35.56 cm, whereas Bob's line is 14 cm.

Since 35.56cm > 14cm, Kat's line is longer.


May 17th, 2015

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