The answer should be 90.8 because when you add up all the temp. you get 454 then you divide by # of days which is five
hope this helps :)
is it 42 or 4 and 2 separate
-2. Because on the number line it goes -3 -2 -1 0 1 2 3 so if you count backwards from 2 it is -2
You should start with an equation.

The 'x' represents the week.
so now, we have to subtract 125 from the total amount which is 245.

now we have

to find 'x', we must divide 15 on each side

we are now left with

that means Sierra will have 8 weeks until she has enough money to buy the bike