Apartments

The apartment on the first floor was 10% more expensive than the same apartment on the second floor. The difference was 105 Kc annually. Calculate the apartment's annual rent on the first floor and from the apartment on the second floor.

Correct answer:

x =  1155
y =  1050

Step-by-step explanation:


x = 1.1 y
x-y = 105

x = 1.1·y
x-y = 105

x-1.1y = 0
x-y = 105

Row 2 - Row 1 → Row 2
x-1.1y = 0
0.1y = 105


y = 105/0.1 = 1050
x = 0+1.1y = 0+1.1 · 1050 = 1155

x = 1155
y = 1050

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