anonymous
  • anonymous
Which equation represents this situation?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
schrodinger
  • schrodinger
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anonymous
  • anonymous
Nalia worked 3.5 hours more than Lisa. Together, they worked a total of 18 hours. Lisa worked h hours.
anonymous
  • anonymous
A. h+3.5=18 B. h+7=18 C. h+(h-3.5)= 18 D. h+(h+3.5)=18
anonymous
  • anonymous
@iambatman

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anonymous
  • anonymous
Please help
anonymous
  • anonymous
So if Lisa worked h hours, we would say Lisa = h correct
anonymous
  • anonymous
Yes
anonymous
  • anonymous
And we know in total the work hour is 18, so we have = 18 correct?
anonymous
  • anonymous
Yes
anonymous
  • anonymous
Now notice it says Nalia worked 3.5 hours `more` than Lisa so what can we represent that with?
anonymous
  • anonymous
It means we are using addition
anonymous
  • anonymous
Exactly!
anonymous
  • anonymous
So what can we say it is?
anonymous
  • anonymous
Either A or D I think
anonymous
  • anonymous
Good choices, so we have Natalia worked 3.5 more hours than lisa which we can represent as L = h+3.5
anonymous
  • anonymous
Ok
anonymous
  • anonymous
So our answer is?
anonymous
  • anonymous
A?
anonymous
  • anonymous
No look at what I said, that should be N = h+3.5, so we have Lisa = h, total = 18 Our equation will be h+N=18 if we substitute N for h+3.5 we have h+(h+3.5)=18
anonymous
  • anonymous
So it was D?
anonymous
  • anonymous
Yes
anonymous
  • anonymous
Ok thank you

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