Answer:
C
Step-by-step explanation:
Answer:
Step-by-step explanation:
You need to add $6.50 and $11.75 and you get $18.25.
10(2x)+x
21x is the original number
12x is the reversed number
24x is the reversed then doubled number
Set up an equation:
24x=21x+9
3x=9
x=3
The original number is 63 and the reversed number is 36, which then is 72 when doubled.
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