Question

In Bluepoint, the average low temperature for January was 40 °F. The average low in February was 27% lower. What was the average low in February?

Answer 1

The average low temperature for January was 40 °F - 100%.

The average low in February was x °F - 27% lower, that is 100%-27%=73%.

Write a proportion:

`(40)/(x)=(100)/(73),\\ \\x=(73\cdot 40)/(100),\\\\x=29.2`

Answer: the average low in February was 29.2 °F.