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algol13
3 years ago
5

Ralph is 3 times as old as Sara. In 4 years, Ralph will be only twice as old as Sara will be then. Find Ralph's age now.

Mathematics
2 answers:
Bad White [126]3 years ago
8 0
Let age of sarah is x then ralph is 3x
after 4 years sarah age is x+4 and ralph age is 3x+4
acc to stat 3x+4=2(x+4)
3x-2x=8-4
x=4
sarah age is 4 years and ralph age is 12 years
fiasKO [112]3 years ago
4 0
Ralph is 12. If Ralph is 12 that means Sara is 4 (12/4=3). In 4 years Sara will be 8 and Ralph would be 16 (16/8=2).
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