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sergiy2304 [10]
2 years ago
10

in a two digit number the sum of the digits is 9 if the digits are reversed the number is increased by 9 find the number

Mathematics
1 answer:
leva [86]2 years ago
3 0

Answer:

1474

Step-by-step explanation:


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Hey all, can I get the answer + explanation for this? Would be much appreciated.
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x = 120

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4 0
2 years ago
Five years ago I was 5 times older than my son. In 8 years’ time I will be 3 times older than my son. How old am I today?
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Let x = Parent's age now  y = son's age now

Then, x-5 = parent's age five years ago

        y-5 = son's age five years ago

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Parent is 70 years old and the son is 18 years old.  

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