You eat 1/4 box of cereal at breakfast. How long will 2 7/8 boxes last?
2 answers:
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9514 1404 393
Answer:
terms were improperly combined
Step-by-step explanation:
I find the easiest way to identify the error in a solution is to solve it myself and compare with what is shown as being done.
Here, we're starting with ...
If we identify the g-terms and the constant terms, we can group them the way Tyson did:
The next step is to combine like terms. We can factor out g, so the coefficients are easier to see and combine.
The error is 1 3/10 was combined with -2/10 as a constant instead of being combined with -4/5 as a coefficient of g.