Answer:
B + 19
Step-by-step explanation:
B is an unknown number. *
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Example.
If Stefan has 1 bouncy ball, Hannah would have 20.
Formula.
Stephan's Amount + 19 = Hannah's Amount
Solving Your Problem.
We will do the same thing except replacing "1" with "b".
b = Stefan's Amount
b + 19 = Hannah's Amount
We are just adding 19 to his.
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Note: In Algebra, we use lowercase variables usually...just a side note.
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I hope I helped you solving this problem, and sorry if I have bad english. I am learning every day thank you! :)
