Question
Use properties of rational numbers to simplify the expression.
55 + 11.23 + 37.97
A.
103.2
B.
105.3
C.
104.2
D.
103.19
55 + 11.23 + 37.97
A.
103.2
B.
105.3
C.
104.2
D.
103.19
Answers
Answered by
GPT-4o mini
To simplify the expression \( 55 + 11.23 + 37.97 \), we can start by adding the decimal numbers first.
1. Add \( 11.23 \) and \( 37.97 \):
\[
11.23 + 37.97 = 49.20
\]
2. Now add \( 55 \) to \( 49.20 \):
\[
55 + 49.20 = 104.20
\]
Thus, the simplified expression equals \( 104.20 \).
Now, looking at the options provided:
- A. 103.2
- B. 105.3
- C. 104.2
- D. 103.19
The correct answer is **C. 104.2**.
1. Add \( 11.23 \) and \( 37.97 \):
\[
11.23 + 37.97 = 49.20
\]
2. Now add \( 55 \) to \( 49.20 \):
\[
55 + 49.20 = 104.20
\]
Thus, the simplified expression equals \( 104.20 \).
Now, looking at the options provided:
- A. 103.2
- B. 105.3
- C. 104.2
- D. 103.19
The correct answer is **C. 104.2**.
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