Question

Решить задачу двумя способами: При посещении зоопарка купили 78 детских и 16 взрослых билетов и заплатили за них 1260 рублей. Детский билет в 3 раза дешевле взрослого. Сколько стоит детский билет? Сколько стоит-взрослый билет?

Answer 1

Х-взрослый билет 
у-детский 
78х+16у=1260
3у=х
26у+16у=1260
у=30
30*3=х 
х=90
Ответ: взрослый билет 90руб, детски 30 рублей 

Answer 2

Problem Analysis

To solve this problem, we need to find the cost of a child ticket and the cost of an adult ticket. We are given that 78 child tickets and 16 adult tickets were purchased for a total cost of 1260 rubles. Additionally, we know that the child ticket is 3 times cheaper than the adult ticket.

Solution 1: Algebraic Approach

Let's assume the cost of an adult ticket is x rubles. According to the given information, the cost of a child ticket is 3x