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20 votes
Add the following numbers

a. - 12.4 + ( - 47.5) =

b. 97.9 + ( - 1.1) =

c. - 10 - ( - 20.5) =

User Fouric
by
3.4k points

2 Answers

14 votes
a. -59.9
b.96.8
c.10.5
User Verdigrass
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3.8k points
8 votes
key points :
• for part (a) and (b), “+” multiplied by “—” is still negative (—)
• for part (c), “—” multiplied by “—” is positive “+”

feel free to clarify if you have any doubts!
Add the following numbers a. - 12.4 + ( - 47.5) = b. 97.9 + ( - 1.1) = c. - 10 - ( - 20.5) =-example-1
User BunjiquoBianco
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3.7k points