Question

According to the local meteorologist, the high temperature in Houston dropped four degrees each day for five consecutive days. Which expression below could NOT be used to determine the total temperature change over the five days?

Answer 1

well wheres the expressions??

Answer 2

(–4)(5)

(–4)–5

–4 – 4 – 4 – 4 – 4

(–4) + (–4) + (–4) + (–4) + (–4)

Answer 3

(-4)-5 is the only one that dont work i think... work it out yourself... say the temp is 89 and then 3 of the four equations shud match each other, and the other 1 is wrong!!