5
AssignmentMultiple Choice

Modeling with Linear Systems

Question 5 • EAP-Algebra Functions and Data Analysis A CR

Does a two-digit number exist such that the digits sum to 9 and when the digits are reversed the resulting number is 9 greater than the original number? Identify the system of equations that models the given scenario.

Answer
A
t + u = 910t + u = 10u + t – 9
B
t + u = 910t + u = 10u + t
C
t + u = 9tu = ut + 9
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