There are 3 children in a family named Lisa, Susan, and John. If Lisa is 5 years older than her sister, Susan, and if John is 7

Question

3 years ago

12

years older than Lisa, and the total of the ages of all 3 children is 50, then how old is Susan

2 answers:

Dvinal [7] · Answer 1 · 2022-05-04T09:05:39+03:00

Dvinal [7]3 years ago

5 0

Answer:

Susan is 8

Step-by-step explanation:

Elan Coil [88] · Answer 2 · 2022-05-04T11:34:53+03:00

Elan Coil [88]3 years ago

5 0

Answer:

Lisa: 16

Susan: 11

John m: 23

Step-by-step explanation:

Susan: s

Lisa: s+5

John: s+5+7 = s+12

s + s+5 + s+12 = 50

3s + 17 = 50

3s = 33

s = 11

s+5 = 16

s+12 = 23