Question

А+b=60 a-b =40 a/b=?​

Answer 1

Чтобы найти а и b, решим систему уравнений способом сложения.

$\tt\displaystyle+ \left \{ {{a+b=60} \atop {a-b=40}} \right. \\---------\\2a=100\\a=50\\\\50 + b = 60\\b = 60 - 50\\b=10$

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$\tt\displaystyle \frac{50}{10}=5$

Ответ: 5

Answer 2

Решение на фотографии

Answer 3

To find the value of a/b, we need to solve the system of equations:

1. A + B = 60
2. A - B = 40

Let's solve this system step by step:

Step 1: Add the two equations to eliminate B. (A + B) + (A - B) = 60 + 40 2A = 100

Step 2: Solve for A. A = 100 / 2 A = 50

Step 3: Substitute the value of A back into either equation to find B. 50 + B = 60 B = 60 - 50 B = 10

Now, we have the values of A and B:

A = 50 B = 10

Step 4: Calculate a/b. a/b = A/B = 50/10 = 5

So, a/b is equal to 5.