En payes jr
add 15.3 + 1.1 + 1.7 using mental math.
15.3 and 1.7 are compatible numbers
because they are easy to calculate mentally.
rem
used
or ce
sum
use
the commutative property of addition
allows us to add in any order.
15.3 + 1.1 + 1.7 = 15.3 + 1.7 + 1.1
*1 = 17.0 + 1.1
= 18.1

Find the amount in a continuously compounded account for the given condition. principal: $1000, annual interest rate: 4.8%, time: 2 yr

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?