Question

За три дні автомобіль проїхав а км.Першого дня він проїхав 300км,а другого- на 20 км менше. Скільки кілометрів проїхав автомобіль третього дня? якщо а = 960

Answer 1

А-300-(300-20)=а-580
960-580=380 км 

Answer 2

Problem Analysis

We are given that a car traveled a total of a kilometers in three days. On the first day, it traveled 300 kilometers, and on the second day, it traveled 20 kilometers less than the first day. We need to find out how many kilometers the car traveled on the third day.

Solution

Let's break down the problem step by step:

1. On the first day, the car traveled 300 kilometers. 2. On the second day, the car traveled 20 kilometers less than the first day. So, the distance traveled on the second day is 300 - 20 = 280 kilometers. 3. We are given that the total distance traveled in three days is a kilometers. So, the distance traveled on the third day can be found by subtracting the sum of the distances traveled on the first and second days from the total distance: a - (300 + 280).

To find the value of a, we are given that a = 960 kilometers.

Substituting the values into the equation, we have:

Distance traveled on the third day = 960 - (300 + 280) = 960 - 580 = 380 kilometers.

Therefore, the car traveled 380 kilometers on the third day.

Answer

The car traveled 380 kilometers on the third day.

Source:

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