Question

СРОЧНО!!!Подберите уравнения к задаче : х + 5/25 + 17/25 = 1, 1 - х = 17/25 - 5/25, 1 - х = 17/25 + 5/25. Задача ниже- четвероклассники подготовили свои работы к выставке рисунков.несколько из них сделаны пером и тушью 17/.25 всех работ акварелью,5/25 ВСЕХ РИСУНКОВ СДЕЛАНО КАРАНДАШОМ .КАКАЯ ЧАСТЬ РИСУНКОВ СДЕЛАНА ПЕРОМ И ТУШЬЮ .СКОЛЬКО СДЕЛАНО РИСУНКОВ КАЖДОГО ВИДА ЕСЛИ ВСЕГО К ВЫСТАВКЕ ПОДГОТОВИЛИ 75 РАБОТ

Answer 1

Зззункоат ооктпшк клкаашк ашки кгпгуи сшатк

Answer 2

Problem Analysis

The problem states that a group of fourth-grade students prepared their artwork for an exhibition. Some of the artwork was done with a pen and ink (pero i tushyu), while the rest was done with a pencil (karandash). The ratio of pen and ink artwork to the total number of artwork is 17/25, and the ratio of pencil artwork to the total number of artwork is 5/25. The total number of artwork prepared for the exhibition is 75. We need to determine the following: 1. What fraction of the artwork was done with a pen and ink? 2. How many artwork pieces were done with a pen and ink? 3. How many artwork pieces were done with a pencil?

Solution

Let's solve the problem step by step.

1. What fraction of the artwork was done with a pen and ink? To find the fraction of artwork done with a pen and ink, we need to divide the number of pen and ink artwork by the total number of artwork. The ratio of pen and ink artwork to the total number of artwork is 17/25. Therefore, 17/25 of the artwork was done with a pen and ink.

2. How many artwork pieces were done with a pen and ink? To find the number of artwork pieces done with a pen and ink, we need to multiply the fraction of pen and ink artwork by the total number of artwork. The total number of artwork is 75. Therefore, the number of artwork pieces done with a pen and ink is: (17/25) * 75 = 51.

3. How many artwork pieces were done with a pencil? To find the number of artwork pieces done with a pencil, we need to subtract the number of artwork pieces done with a pen and ink from the total number of artwork. The total number of artwork is 75, and the number of artwork pieces done with a pen and ink is 51. Therefore, the number of artwork pieces done with a pencil is: 75 - 51 = 24.

Summary

Based on the given information, we can conclude the following: - 17/25 of the artwork was done with a pen and ink. - There were 51 artwork pieces done with a pen and ink. - There were 24 artwork pieces done with a pencil.

Please let me know if you need any further assistance!