Asked by Mydogbear

A new born infant usually triples its birth weight by its first birthday.Baby carter weighted 28 pounds on his first birthday. If this were triple his birth weight (b), which equation below could be used to determine his birth weight?
(1) b/3=28 No sure how to this one 3÷28=b
(2) b-3=28
(3) 3b=28. I think#4
(4) b+3=28
(5) 3(b+3)=28
Answered by Ms. Sue
Which is your answer?
Answered by Mydogbear
Number 4. Bx3=28. Or. 28 divided by 3 =. I do no what I am doing
Answered by Ms. Sue
4 is an addition, not a multiplication problem.

Answered by Mydogbear
I think number 5
Answered by Ms. Sue
Why does number 5 look better than number 3?

Answered by Mydogbear
I see you have to look for plus or minus which do not add subtract first time doing these it would be # three I no it wasn't # one
It's number three
Answered by Ms. Sue
Yes, Number 3 is the answer.
Answered by Mydogbear
Thank you for helping me out
Answered by Ms. Sue
You're welcome.
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