Math Problem Statement

The image contains several problems written in Russian. The problems include: 1. Find the value of the expression (37 - 12) / (5 * 3). 2. Represent the fraction 8 3/7 as a mixed number. 3. A mom collected 12 kg of fruit. How many kilograms of each type of fruit did she collect? 4. The distance between two points is 54 km, and two cars move towards each other with different speeds. Find the speed of the second car if the first car's speed is 15 km/h.

Solution

This image contains a math problem in Russian. Let's break it down:

  1. First problem:

    • You are asked to find the value of the expression 371253\frac{37 - 12}{5 \cdot 3}.
  2. Second problem:

    • The word "представьте" refers to "represent" the fraction as a mixed number of the form 8378 \frac{3}{7}.
  3. Third problem:

    • A mom collected 12 kg of fruit, and you are asked how many kilograms of each type she collected.
  4. Fourth problem:

    • A distance between two points is 54 km, and two cars with different speeds move towards each other. You're asked to find the speed of the second car if the first car's speed is 15 km/h.

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Math Problem Analysis

Mathematical Concepts

Basic Arithmetic
Fraction Representation
Distance and Speed Problems

Formulas

Basic arithmetic operations
Formula for speed = distance/time

Theorems

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Suitable Grade Level

Grades 4-7