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Neporo4naja [7]
3 years ago
9

The ratio of blue to yellow is 4:5 and there are 15 yellow how many blue is there?

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
7 0

Answer: 12 blue marbles

Step-by-step explanation: Set up a proportion.

4/5 = x/15

Solve for x, the number of blue marbles. Cross multiply. You will get 60 = 5x

Divide by 5 on each side.

x = 12

There are 12 blue marbles.

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Sam and Bethan share £54 in the ratio 5:4 how much dose each get
Agata [3.3K]
Ratio 5:4 
Total shares = 5+4 = 9

then to find for 1 share = 54/9 = 6

So Sam share = 6 x 5 = 30
Bethan share = 6 x 4 = 24

Poof: 30+24 = 54

3 0
3 years ago
2/3x+4=3/5x-2? What’s the formula? Step by step? How do u do this?
Talja [164]

-90

Step-by-step explanation:

2/3x+4=3/5x-2

2/3x – 3/5x = -2 – 4

LCM for 5 & 3 is 15 so we can use it on the two fractions;

10/15x – 9/15x = 1/15 x

1/15x = -6

x = - 6 * 15

x = -90

Learn More:

For more on dealing with fractions check out;

brainly.com/question/1878884

brainly.com/question/10879215

#LearnWithBrainly

6 0
3 years ago
How do I find the percent and what is the answer DO NOT COMMENT THE ANSWER IF YOU CAN’T EXPLAIN
Marianna [84]
64/100*75=48  That is the answer
4 0
3 years ago
I dont really understand this and i need it done by the end of the dday
irakobra [83]

Answer:

1.

A: GI= 60

B:  MH= 14

C: IK= 23

D: HI=  46

E: MG= 24

2.

A: TU= 38

B: VY= 17

C: UZ= 15

D: WV= 15

E: TV= 30

Step-by-step explanation:

This probally isnt all right but most of it most likely is.

6 0
2 years ago
5(x - 8) + 15 = 35
Paladinen [302]

Answer:

x=12

Step-by-step explanation:

5(x-8) + 15 = 35

<em>First remove the parenthesis by multiplying</em>

5x-40 + 15 = 35

<em>Add -40+15</em>

5x -25 = 35

<em>Add 25 to both sides</em>

5x=60

<em>Divide both sides by 5</em>

x=12

Now you can plug in 12 for x if you need to, it will equal 35

8 0
3 years ago
Read 2 more answers
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