AnswersBasic Math AAdding and Subtracting DecimalsQuestion 10
10
QuizMultiple Choice

Adding and Subtracting Decimals

Question 10 • Basic Math A

Ramina found the length of two pieces of ribbon to be 47.6 inches and 39.75 inches. Which is an effective estimation strategy for finding the sum of the two lengths?

Answer
A
Round 39.75 to 30 and 47.6 to 40, then add.
B
Round 39.75 to 40 and 47.6 to 48, then add.
C
Add 47.6 and 39.75, then round the answer.
D
Subtract 39.75 from 47.6, then round the answer.
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Ramina found the length of two pieces of ribbon…