SOLUTION: sandra is more than 20 years old and less than 60 years old. You can count by 7's to reach sandra's age. Next year you will be able to count by five's to reach Sandra's age. how ol

Question 232390: sandra is more than 20 years old and less than 60 years old. You can count by 7's to reach sandra's age. Next year you will be able to count by five's to reach Sandra's age. how old is Sandra? Explain how you figure this out.. thakns!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
What are the years between 20 and 60 that are divisible by ?

The next one puts me over
Now add to all these ages

Which age can you reach by counting by 's?

So, Sandra must be 49 now
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