Apples 3

Julka has five apples more than Hugo and four apples less than Annie. Hugo has 17 apples. How many apples have Julka, and how is Annie?

Correct answer:

J =  22
A =  26

Step-by-step explanation:


J = 5+H
J = A-4
H = 17

H-J = -5
A-J = 4
H = 17

Pivot: Row 1 ↔ Row 2
A-J = 4
H-J = -5
H = 17

Row 3 - Row 2 → Row 3
A-J = 4
H-J = -5
J = 22


J = 22/1 = 22
H = -5+J = -5+22 = 17
A = 4+J = 4+22 = 26

A = 26
H = 17
J = 22

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