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vagabundo [1.1K]
3 years ago
13

In a survey of 240 people,It was found that 130 of people like tea,120 of people like coffee while 40 do not like both tea and c

offee .by drawing Venn diagram,find the number of people who like both tea and cofee​
Mathematics
1 answer:
kogti [31]3 years ago
3 0

the number of people who like both tea and cofee is 50

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PLEASE HELP
elixir [45]

Answer:

Ratio states that it shows the relative sizes of two or more values.

i,e a to b or a: b or \frac{a}{b}

(1)

Given the statement: A zoo has 17 monkeys and 12 chimpanzees

Write this situation in three ways, comparing the first quantity to the second quantity.

By definition of ratio:

Ratio in three ways are:

17 to 12

17 : 12

\frac{17}{12} or we can write this as 17 over 12.

therefore, Option B is correct.

(2)

As per the statement: In Largo City, about one in every nine homes contains four televisions

Write this situation in three ways in the form of ratio, comparing the first quantity to the second quantity.

By definition of ratio:

Ratio in three ways are:

4 to 9

4 : 9

\frac{4}{9}

therefore, only options C is correct.

(3)

write three ratios for 7 over 35

By definition of ratio;

We have;

\frac{7}{35}

Divide both numerator and denominator by 7 we have;

\frac{1}{5}               .....[A]

⇒ \frac{7}{35} =\frac{1}{5}

Multiply both numerator and denominator by 2 in A we get;

\frac{1}{5} = \frac{1 \times 2}{5 \times 2} = \frac{1}{10}

Similarly,

Multiply both numerator and denominator by 3 in A, we get

\frac{1}{5} = \frac{1 \times 3}{5 \times 3} = \frac{3}{15}

Therefore, 3 ratios equal to  7 over 35 are;

\frac{1}{5} or we can write it as one-fifth

\frac{2}{10} or two -tenths

\frac{3}{15} or three over fifteen

hence, Option D is correct.

(4)

Given the statement: Jake sold 28 tickets to the school fair, and Jeanne sold 21 tickets

Number of ticket Jake sold = 28 ticket.

Number of ticket Jeanne sold = 21 ticket.

To find: Number of ticket Jeanne sold to number of ticket Jake sold.

By definition of ratio

⇒\frac{21}{28}

Therefore, the ratio in simplest form is, \frac{21}{28}


6 0
3 years ago
Read 2 more answers
A kite in the shape of a rhombus has diagonals that are 25 in Long and 15 in Long what is the area of the kite
mylen [45]

Answer: 187.5

Step-by-step explanation:

formula for area of a kite is: diagonal 1 times diagonal 2 over 2. plug those numbers in and you’ll get your answer. 25 times 15 / 2.

5 0
3 years ago
Jose earned 50 points in a video game. He lost 40 points, earned 87 points, then lost 30 more pints. Write and evaluate an expre
Aneli [31]
50-40+87-30=67

hope i helped
4 0
3 years ago
What is 1.209 • 10^7 in standard form
dolphi86 [110]
Since the exponents is positive, move the decimal 7 places to the right, thus giving you 12090000
8 0
2 years ago
I need answers HELP MEEE TPLEASE
riadik2000 [5.3K]

Answer:

answer is 89.23.I hope this answer will help you

6 0
2 years ago
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