Solve the problem. See Example
EXAMPLE Solving a Problem Involving Subtraction
The record-high temperature in the United States is 134°F, recorded at Death Valley, California, in 1913. The record low is −80°F, at Prospect Creek, Alaska, in 1971. See FIGURE. What is the difference between these highest and lowest temperatures? (Source: National Climatic Data Center.)
FIGURE
We must subtract the lowest temperature from the highest temperature.
The difference between the two temperatures is 214°F.
In September, Jeffery Cooper began with a checking account balance of $904.89. His checks and deposits for September are as follows:
Checks | Deposits |
$41.29 | $80.59 |
$13.66 | $276.13 |
$84.40 | 1 |
Assuming no other transactions, what was his account balance at the end of September?
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