First, use front end rounding to estimate each answer. Then find the exact answer.Pat had $954 in her checking account. If she wrote checks for $147 and $335, how much remained in her account?
A. estimate: $900 - $100 - $300 = $500; exact: $472
B. estimate: $1000 - $100 - $300 = $600; exact: $472
C. estimate: $950 - $150 - $340 = $460; exact: $472
D. estimate: $950 - $150 - $300 = $500; exact: $472
Answer: B
Mathematics
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