Question

На изготовление одного пододеяльника требуется 4 м 40 см полотна, а на одну наволочку - 90 см полотна. Всего было израсходовано 80 м полотна. Пододеяльников сшили 10 шт. Сколько сшили наволочек?

Answer 1

4.40*10=44
80-44=36
36:0,9=40

Answer 2

4м40см=440см
440*10=4400см=44м - израсходовали на пододеяльники
80-44=36м - потратили на наволочки
36м=3600см
3600/90=40 наволочек - сшили
Ответ  40 наволочек

Answer 3

Calculation of Pillowcases

To calculate the number of pillowcases that were made, we need to determine how much fabric was used for each pillowcase and then divide the total fabric used by the fabric required for one pillowcase.

Given the information provided: - The fabric required for one duvet cover is 4 meters and 40 centimeters. - The fabric required for one pillowcase is 90 centimeters. - A total of 80 meters of fabric was used. - 10 duvet covers were made.

To find the fabric used for the pillowcases, we subtract the fabric used for the duvet covers from the total fabric used: - Total fabric used = fabric used for duvet covers + fabric used for pillowcases - 80 meters = (4 meters and 40 centimeters * 10) + fabric used for pillowcases

To find the fabric used for the pillowcases, we rearrange the equation: - Fabric used for pillowcases = total fabric used - (fabric used for duvet covers * number of duvet covers) - Fabric used for pillowcases = 80 meters - (4 meters and 40 centimeters * 10)

Now we can calculate the fabric used for the pillowcases: - Convert 4 meters and 40 centimeters to meters: 4 meters + (40 centimeters / 100) = 4.4 meters - Fabric used for pillowcases = 80 meters - (4.4 meters * 10)

Calculating the fabric used for the pillowcases: - Fabric used for pillowcases = 80 meters - (4.4 meters * 10) - Fabric used for pillowcases = 80 meters - 44 meters - Fabric used for pillowcases = 36 meters

Therefore, 36 meters of fabric were used for the pillowcases.