isamilo520
09.10.2019 •
Mathematics
Pedro trabalha em um oficina mecânica junto com seu pai. ele recebe um salário fixo de r\$1800{,}00r$1800,00r, dollar sign, 1800, comma, 00 por mês, e dependendo dos consertos, ainda pode receber comissão.
ele guarda em média
9
1
start fraction, 1, divided by, 9, end fraction desse valor todos os meses em sua poupança.
depois de 1 ano, quanto ele terá guardado?
Solved
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Ответ:
a) The percentage that the student does not read any paper is 10%
b) The percentage that the student reads the local paper is 40%
c) the percentage that the student reads exactly two papers is 23%
d) the percentage that the student reads at least two papers is 25%
Step-by-step explanation:
Given the data in the question;
as illustrated in the Venn diagram below,
a)The student does not read any paper;
The percentage that the student does not read any paper will be;
100% - 90% = 10%
Therefore, The percentage that the student does not read any paper is 10%
b) The percentage that the student reads the local paper;
from the Venn diagram below;
⇒ ( 20 + 15 + 3 + 2 )%
= 40%
Therefore, The percentage that the student reads the local paper is 40%
c) The percentage that the student reads exactly two papers
⇒ ( 15 + 5 + 3 )%
= 23%
Therefore, the percentage that the student reads exactly two papers is 23%
d) The percentage that the student reads at least two papers;
⇒( 15 + 5 + 3 + 2 )%
= 25%
Therefore, the percentage that the student reads at least two papers is 25%