Answer:
Taking into account the information in the exercise, Sakura spoke Hungarian for:
And Polish:
Step-by-step explanation:
To solve the exercise, variables must be generated both for the time that Hungarian Sakura spoke and for the time that Polish spoke:
- Words Sakura spoke Polish: P
- Words Sakura spoke Hungarian: H
To identify the time she was speaking in each language, the exercise information must be taken into account, that is, Sakura speaks 150 words in Hungarian per minute and 190 words in Polish per minute, such information must be expressed as formulas by adding the variables already created:
- Time Sakura spoke Polish in minutes= X = P/190
- Time Sakura spoke Hungarian in minutes= Y= H/150
As the only additional information was that he spent 5 minutes speaking and used 270 more words in Polish than in Hungarian, everything is expressed within a compound equation:
- 5 minutes= X+Y
- 5 minutes= (P/190)+(H/150)
And everything must be expressed based on a single variable, either H or P, in this case the variable P will be chosen:
- 5 minutes= (P/190)+((P-270)/150). "(P-270) is used because it is the number of extra words spoken in Polish"
The sum of fractionals is done:
- 5 minutes= (150P + 190P - 51300)/28500
Terms of the same type are located next to the equation:
- (5*28500)+51300= 190P + 150P
- 193800= 340P
- 193800/340=P
- P= 570 words
The value obtained is replaced in the time formula:
And the general formula is replaced:
- 5 minutes= X + Y
- 5 minutes= 3 minutes + Y
- 5 minutes - 3 minutes= Y
- Y= 2 minutes
To check the number of words, you can multiply the time in minutes by the number of words:
And 570 words in Polish, there are 270 more than 300 words in Hungarian.