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MatroZZZ [7]
3 years ago
7

Sarah's age is five less than twice her sister's age. Sarah is fifteen years old.

Mathematics
2 answers:
natka813 [3]3 years ago
8 0
The first one would be correct 
saul85 [17]3 years ago
3 0
Let her sisters age be x.
=>sister .....x

Sarah.
twice x=2x. then less than 5
=> (2x-5 )
if Sarah = 15 years
by substation, 2x-5=15
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