Question
Students at Flemington College were surveyed to determine the type of tea they drink: black = 220. (B) or green (G). Students who don't drink tea did not participate in the survey. 4 The number of students who drink only black tea was three times more than the number of students who drink only green tea. 20 students indicated drinking both black and green tea. Let a be the number of students who drink only black tea. (a) Write down an expression, in term of a, for the number of students who drink only green tea. (b) Complete the Venn diagram below using the above information.
54
likes268 views
Answer to a math question Students at Flemington College were surveyed to determine the type of tea they drink: black = 220. (B) or green (G). Students who don't drink tea did not participate in the survey. 4 The number of students who drink only black tea was three times more than the number of students who drink only green tea. 20 students indicated drinking both black and green tea. Let a be the number of students who drink only black tea. (a) Write down an expression, in term of a, for the number of students who drink only green tea. (b) Complete the Venn diagram below using the above information.
Santino
4.5107 Answers
на вопрос а
20 студентов пьют и черный, и зеленый чай
a — количество студентов, пьющих только чёрный чай.
Число студентов, пьющих только черный чай, в три раза превышало количество студентов, пьющих только зеленый чай.
b — количество студентов, которые пьют только зеленый чай.
а=3b
b=\frac{a}{3}
количество студентов, которые пьют только зеленый чай, равно
\frac{a}{3}
Frequently asked questions (FAQs)
Find the unit vector in the direction of vector v = < 2, -4, 6 >.
+
What is the general equation of an ellipse given its center, major and minor axes lengths?
+
What is the measure of angle ABC in a circle with diameter AB, where angle AOB measures 120 degrees?
+
New questions in Mathematics