Answer :
(add the numbers up)
monday-12.45
tuesday-12.7
wednesday-13.9
thursday-12.65
friday-12.55
(find highest and lowest)
13.9 & 12.7
(minus them)
13.9-12.7=1.2
Answer is 1.2
monday-12.45
tuesday-12.7
wednesday-13.9
thursday-12.65
friday-12.55
(find highest and lowest)
13.9 & 12.7
(minus them)
13.9-12.7=1.2
Answer is 1.2