Central Infusion Alliance, Inc. 7542 St. Louis Ave. Skokie, IL 60076-4034

Easy to use with intuitive operation, reduces the risk of cross-contamination with removable probe well and provides more reliable readings with improved accuracy. Takes approximately 4-to-6 second oral temperatures, 10-second axillary and rectal temperatures and 15-second adult axillary temperatures.

The population is predicted to be 60,000 in 1997. This represents a 20% increase over the 1970 population. What was the population in 1970?

Since we can't divide with a decimal, it's similar to dividing with a mixed number, we multiply both values by 10 moving the decimal over and giving us 600000/12

If this is the result of an increase by 20% from some population in 1970, lets call it x, we can write it as the following:

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Write an equation that models this problem. The population in 1997 is 60,000 and this is a 20% increase over the 1970 population. To increase a value by 20%, you would multiply it by 1.20 because you want to keep the original value (100% or 1) and add 20% to it (.2). Let's call the population in 1970 x.

1.2*x = 60000 The reason we are multiplying by 1.2 instead of 0.2 is we have the original population which we can say is at 100% or 1 and it increases by 20% so 1+0.2 = 1.2