Problema Solution
The weather has been unpredictable during the week. The temperature went down 15 degrees on Monday, went down 21 degrees on Tuesday, went up 32 degrees on Wednesday, down 18 degrees on Thursday, and up 11 degrees on Friday. By how many degrees had the temperature risen or fallen over this time?
Answer provided by our tutors
Let the start temperature be: x
On Friday the temperature was: x - 15 - 21 + 32 - 18 + 11 = x - 11
The temperature dropped down by 11 degrees.