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lana66690 [7]
2 years ago
11

£50 is divided between Brian Colin and Dan so that Brian gets twice as much as colin and Colin gets three times as much as Dan.

How much does Brian get
Mathematics
2 answers:
iris [78.8K]2 years ago
7 0

Answer:

Brian get £5

Step-by-step explanation:

Brian get twice as much as Colin

Brian "B"   Colin "C" so that B=2C

Colin get 3 times as much as Dan Dan "D"

·r  C= 30                   Understanding equivalence  relationship

Because £50 is divided between Brian, Colin and Dan:

                      B+C+D=50

                     2C+C+D= 50

                      3C+D=50

                      3x3D+D=50

                       9D+D=50

                      10D= 50

                      D= 50 ÷10

                          D= 5

Therefore Brian get £5

cluponka [151]2 years ago
3 0

Answer:

33.32

Step-by-step explanation:

50/3=16.66

brian gets twice as collin

16.66*2=33.32

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Hi, I'm happy to help!

To simplify this expression, we need to first use the order of operations <u>(Parenthesis, Exponents, Multiplication or Division (Left to Right), and Addition or Subtraction (Left to Right)</u>), then combine like terms. (<u>80,40,57</u>, or <u>6t, 8t, 98t</u>, or<u> 2t²,7t²,83t²</u>)

When a number is next to parenthesis with no sign, it means we are using multiplication. We can change this expression to look like this, by changing all the numbers next to the parenthesis with no sign, to one with a multiplication sign.

8(5+t) - 2(t+1) 8(5 + t) - 2(t+1)=

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We start with parenthesis and solve everything inside of those, but, because everything inside the parenthesis are unlike terms, we cannot combine them.

Next, We look for any exponents (x²). There are none in this equation.

We then look for multiplication or division. There is a lot of multiplication, so we start solving that from left to right.

8×(5+t) - 2×(t+1)× 8×(5 + t) - 2×(t+1)=

40+8t - 2×(t+1)× 8×(5 + t) - 2×(t+1)=

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(40+8t) - (2t+2)× 8×(5 + t) - 2×(t+1)=

(40+8t) - (2t+2)× 8×(5 + t) - 2×(t+1)=

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(40+8t) - (80t+16t²+80+16t) - 2×(t+1)=

(40+8t) - (80t+16t²+80+16t) - (2t+2)=

(40+8t) - (80t+16t²+80+16t) - (2t+2)=

Now, before we do anything else, we need to recheck the parenthesis, now that they have changed. We can further simplify the middle parenthesis by adding together like terms.

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(40+8t) - (96t+16t²+80) - (2t+2)=

Now, we look for addition or subtraction of like terms. We can now remove the parenthesis, since everything inside of the last two parenthesis is negative, we turn it negative, as long as we only combine the like terms.

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We can now remove the parenthesis.

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I hope this was helpful, keep learning! :D

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using a graph tool
see the attached figure

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