Find the unit costs and compare them:
$1.99
---------- = $0.199/oz
10 oz
$2.99
-------------- = $0.17/oz
18 oz
Clearly, the 18 oz bag for $2.99 is the better buy, at $0.17/oz versus $0.199 oz for the 10 oz bag for $1.99.
Four takes 10 minutes.
166/4=41.5
There are 41.5 fours in 166
Each four takes 10 minutes
41.5 fours takes 41.5*10=415 minutes
To find the absolute value remove abt negative sign in front of a number and to think of all numbers as a positive
the answer for this question is (B) 5,-2
