Which of the following sums is equal to the sum above?

Rationale

7.04 + 5.07 + 30.003 equals 42.113.

This sum accurately reflects the addition of the three values provided, yielding a total of 42.113. Therefore, option A is the only choice that matches this total.

A (7.04 + 5.07 + 30.003) CORRECT

This choice directly matches the original summation provided in the question. When computed, the total is indeed 42.113, confirming it as the correct answer.

B (7.04 + 5.7 + 30.03) YOUR ANSWER

Calculating this sum results in 42.76, which does not match the required total of 42.113. The difference arises primarily from the use of 5.7 instead of 5.07, leading to an incorrect sum.

C (7.2 + 5.7 + 30.03) YOUR ANSWER

This choice sums to 42.96, which is also incorrect. The inaccuracies stem from both rounding 7.04 to 7.2 and using 5.7 instead of 5.07, causing the total to deviate significantly from 42.113.

D (7.4 + 5.7 + 30.3) YOUR ANSWER

Calculating this yields 43.4, which is greater than the correct total. The substitutions of 7.4 and 30.3 for the original values inflate the sum, moving it further away from the target.

E (7.4 + 5.7 + 30.03) YOUR ANSWER

This calculation yields 43.13, which, like the others, does not equal the correct total of 42.113. The incorrect use of 7.4 instead of 7.04 leads to an inflated result.

Conclusion

In summary, the only combination of numbers that results in the accurate total of 42.113 is option A, which retains the precise values from the original summation. The other options fail due to variations in the individual components, demonstrating the importance of precision in arithmetic calculations.

Which of the following sums is equal to the sum above?

7.04 + 5.07 + 30.003 equals 42.113.

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