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tresset_1 [31]
2 years ago
7

The barry family invited 100 relatives to their christmas party. 90 guests had italian heritage, 80 had german heritage and 75 h

ad swiss heritage. What is the minimum number of people who claimed ancestry from all three heritages?.
SAT
2 answers:
Sergeeva-Olga [200]2 years ago
8 0

Answer:

45

Explanation:

Maslowich2 years ago
6 0

The minimum number of people who claimed ancestry from all three heritages is :   45

Given that there are 100 relatives

let's assume that 1 relative = 1 room

100 relatives = 100 rooms

Number of relatives with Italian heritage = 90

Number of relatives with German heritage = 80

Number of relatives with swiss heritage = 75

<u>Step 1 : </u>

Fill up the first 90 rooms with Italian heritage relatives

Fill up the remaining 10 rooms with 10 Relatives with German heritage

<u>Step 2 :</u>

Distribute the remaining 70 relatives with German heritage into 70 rooms out of the 90 rooms already occupied by the relatives with Italian heritage

<u>Step 3: </u>

Distribute the 75 relatives with swiss heritage into the 20 rooms occupied by Italian heritage relatives only and<em> </em><u><em>45 rooms</em></u><u><em> occupied by both </em></u><u><em>German and Italian relatives</em></u><u><em> </em></u>and into the 10 rooms occupied by the German heritage relatives  

Therefore we can conclude that the minimum number of people who claimed ancestry from all three heritages is : 45

Learn more about pie chart : brainly.com/question/25666939

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