Mathematics: Jim, carla and tomy are members of the same family. carla is 5 years older than jim. tomy is 6 years older than carla. the sum of their 3 ages is 31 years. how old is each one of them?

Jim, carla and tomy are members of the same family.

Ответ:

henryisasum7846

31.12.2021

let the age of jim be x
carla's age= x+5
tomy's age= 6+5+x
sum of their ages=31
x+x+5+x+5+6=3x+16=31
3x=31-16
=15
x=15 divided by 3
= 5
jim's age=5
carla's age=10
tomy's age = 16

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Ответ:

22millt

31.12.2021

Mathematics

X - Jim
y - Carla
z - Tomy

$y=x+5\\
z=y+6\\
x+y+z=31\\\\
x=y-5\\
z=y+6\\
x+y+z=31\\\\
y-5+y+y+6=31\\
3y=30\\
y=10\\\\
x=10-5\\
x=5\\\\
z=10+6\\
z=16
$

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Ответ:

TheJanko4526

14.06.2021

Mathematics

C. 16,15 hope this helps :)

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