Question

true or false two cities are 15.7 cm apart on a map that has a scale of 1cm : 14 km. these cities are 211.4 km apart.

Answer 1

Dimensional analysis:\[15.7 cm \times \frac{14 km}{1 cm}\]yields an answer in kilometers.

Answer 2

TRUE OR FALSE?

Answer 3

Perform the calculation and see how far apart they actually are. Then compare that to the number they gave.

Answer 4

OK THANKS

Answer 5

Here's another way to look at it.
\[\frac {1cm}{14km} = \frac{15.7cm}{x km}\]