Ursula wrote the sum 5.815+6.021 as a sum of two mixed numbers.
1 answer:
As the sum of mixed numbers:
5.815 = 5 + 815/1000
6.021 = 6 + 21/100
Therefore
5.815 + 6.021 = 5 + 6 + (815+21)/1000
= 11 + 836/1000
= 11 + 209/250
Part a.
The sum is
Part b.
As the sum of decimals:
5.815
+ 6.021
----------
= 11.836
To compare the two results, evaluate209/250 as a decimal to see whether it is 0.836.
0.836
------------------
250 | 209.000
2000
--------
900
750
----------
1500
1500
Because 209/250 = 0.836, the two sums agree.
5.815 = 5 + 815/1000
6.021 = 6 + 21/100
Therefore
5.815 + 6.021 = 5 + 6 + (815+21)/1000
= 11 + 836/1000
= 11 + 209/250
Part a.
The sum is
Part b.
As the sum of decimals:
5.815
+ 6.021
----------
= 11.836
To compare the two results, evaluate209/250 as a decimal to see whether it is 0.836.
0.836
------------------
250 | 209.000
2000
--------
900
750
----------
1500
1500
Because 209/250 = 0.836, the two sums agree.
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Answer:
Step 3 of substracting 6 from both sides.
Step-by-step explanation:
We are given the following information in the question:
We are given the equation:
Multiplying the constant term we get,
Subtracting 6 from both the sides we get,
Liliana made a mistake in the step of subtracting 6 from both sides. She subtracted 6 from the left side bu added 6 on the right side instead of subtracting from the right side.