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Ierofanga [76]
3 years ago
10

charley is 10 years old than her sister andi in 4 years charley will be twice as old as andi what are the present age of each​

Mathematics
2 answers:
RSB [31]3 years ago
7 0

Answer:

Step-by-step explanation:

andi +10 = charley

and in 4 years

2*andi = charley +4

so

2*andi -4 = charley

now since we have  charley as the indepentdent on each equation

set those parts equal to each other

andi + 10 = 2*andi -4

and + 14 = 2*andi

14 = andi

so andi is 14

charley is 24  

blsea [12.9K]3 years ago
7 0
In the present, Charley is 16 and Andi is 6.

Explanation: After 4 years Charley will be 20 and Andi will be 10.
Charley is 20 in the future Andi is 10. Therefore, Charley is in the “twice as old as Andi”category.

Answer: Charley is 16 and Andi is 6
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