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Ivan
3 years ago
12

If the ratio of blue eyed students to non-blue eyed students is 7 to 12, about how many students would have have blue eyes out o

f 50 students ? A.29 B.18 C.85 D.45
Mathematics
1 answer:
kipiarov [429]3 years ago
7 0

Answer:

18

Step-by-step explanation:

the ratio of blue eyed students to non-blue eyed students is 7 to 12,

Total ratio = 7+12=19

Total student= 50 students

Ratio of blue eyes student= 7/19 ×50

=18.4

Hence, there are approximately 18 students with blue eyes.

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Gabriela has an apartment that costs 30% of her monthly budget, which is $3,575. What is the amount of money she has left over f
irina [24]

Answer:

$3003

Step-by-step explanation:

30/100×$3,575=3000/$3,575=0.84%

0.84%/100×$3,575

84/100×3,575=$300,300/100

$3003

4 0
2 years ago
A herd of dinosaurs made paintings in the sand with their claws. Each baby dinosaur made 1515 paintings and each adult dinosaur
mart [117]

Answer:

4 adult dinosaurs and 12 baby dinosaurs.

Step-by-step explanation:

Let the number of adult dinosaurs be x.

Number of baby dinosaurs = 3x

Number of paintings made by each baby dinosaur = 15

Number of paintings made by each adult dinosaur = 7

Total number of paintings made by 3x baby dinosaurs = Number of baby dinosaurs * Number of paintings made by each baby dinosaur

= 3x * 15

= 45x

Total number of paintings made by x adult dinosaurs = Number of adult dinosaurs * Number of paintings made by each adult dinosaur

= x * 7

= 7x

Total number of paintings made by both baby and adult dinosaurs = 45x + 7x

= 52 x

Again the problem says that the total number of paintings made  = 208

So, 52x = 208

Dividing both sides by 52

\frac{52x}{52}  = \frac{208}{52}

Cancelling out the 52's from the top and bottom on the left

x = 4

So, number of adult dinosaurs = 4

Number of baby dinosaurs = 3x = 3*4 = 12

8 0
3 years ago
5.75 , 7.75 , 9.75 , 11.75 is a Non linear sequence ? is it true or false
Tomtit [17]

Answer:

false because each go up by two and I didnt even look it up

5 0
3 years ago
Read 2 more answers
One kilometer equals 0.62 miles. How many kilometers equal 16 miles? Round the answer to the nearest tenth.
OlgaM077 [116]

Answer: 25.7495 full: 25.75 rounded

Step-by-step explanation: Multiply 16*0.62, simple. From that you get 25.7495 Then, since there is a 9 after the four, you would round the 4 up to a 5.

7 0
2 years ago
Read 2 more answers
How to to do 13x155/26 step by step
Flura [38]

Answer:

Step-by-step explanation:

Just read it from left to right

13*155 = 2015

2015/26 = 77.5

You could also cancel the 13 and 26. If you do, you get

155/2 = 77.5

Either way works.

7 0
3 years ago
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