Question

Средний вес мальчиков того же возрасата ,что и Боря ,равен 60 кг.Вес Бори составляет 75% среднего веса.Сколько кг весит Боря

Answer 1

60кг ---- 100%
вес Бори --- 75%
--------------------
крест на крест:

вес Бори= (60*75%)/100%=45кг

Answer 2

Составляем пропорцию:
60 кг - 100%
x кг - 75%

Умножаем хрест-навхрест:
100x= 60* 75;
100x= 4500;
x= 45 (кг) - вес Бори.

Answer 3

Calculating Borya's Weight

To calculate Borya's weight, we can use the information provided. We know that the average weight of boys of the same age as Borya is 60 kg, and Borya's weight is 75% of the average weight.

Step 1: Calculate Borya's weight using the given average weight and the fact that Borya's weight is 75% of the average weight.

Borya's weight = 75% of the average weight Borya's weight = 0.75 * 60 kg Borya's weight = 45 kg

So, Borya weighs 45 kg.

Conclusion

Borya weighs 45 kg.