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MAVERICK [17]
3 years ago
12

A group of students were asked to choose between blue and red, the colour they like 70% chose blue and 50% chose red. Each stude

nt in the group chose at least one of the two colours.
i. Represent the information on a Venn diagram.

ii .If 10 students chose both colours, find the number of students who chose:
a. only red
b only blue

iii. How many students were in the group?​
Mathematics
1 answer:
klio [65]3 years ago
6 0

iii:120 or 120%

Step-by-step explanation:

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Benji hiked 3 miles in 2.5 hours.<br> Find the unit rate
Drupady [299]

Answer:

1.2 miles per hour

Step-by-step explanation:

I did this a long time time ago but I believe I am correct.

Hope this helps!

3 0
3 years ago
At Camp Roan, 70% of the kids are taking horseback riding lessons. If 210 kids are taking horseback riding lessons, how many kid
babymother [125]

Answer:

total kids in the camp = 300

Step-by-step explanation:

let the number of kids in the camp be x

from the above situation, we get

=》70% of all kids in the camp is 210

=》

\frac{70}{100}  \times x = 210

=》

x =  210 \times  \frac{100}{70}

=》

x = 3 \times 100

=》

x = 300

4 0
3 years ago
Using the x,y format where does the graph of 3x+3 and -5×+7 intersect
IRINA_888 [86]
Not sure if I'm right but I believe they intersect at (1,4).
8 0
3 years ago
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A total of $28,000 is invested in two municipal bonds that pay 4.25% and 4.75% simple interest. The investor wants an annual int
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Answer:

$16,000 should be invested in the 4.25% bond

Step-by-step explanation:

Attached is the full solution

6 0
4 years ago
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The sum of 5 times a number and <br> minus −​2, plus 7 times a​ number
Olenka [21]

Answer:

12x + 2

Step-by-step explanation:

Let the number be represented by x.

Then five times the number = 5*x

Seven times the number = 7*x

Sum of 5 times the number minus -2 = \[5*x - (-2)\] = \[5x +2\]

Adding seven times the number to this expression yields, \[5x+2+7x\]

\[= (5+7)x+2\]

\[= 12x+2\]

So the simplified expression corresponds to 12x + 2.

6 0
3 years ago
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