Exercise 5 (A)
1. The sum of the digits of a 2-digit number is 9. The number is 6 times the units digit. Find the number.
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Answer:
Step-by-step explanation:
x+y=9
10x+y=6y
10x=5y
2x=y
x+2x=9
3x=9
X=3
Y=6
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Answer:
Step-by-step explanation:
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