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olga nikolaevna [1]
3 years ago
14

3(y-1)=y-11 plz solve this equation with explaination

Mathematics
2 answers:
Fittoniya [83]3 years ago
4 0

Answer:

-14

Step-by-step explanation:

3(y-1)=y-11

3y-3=y-11

y=3-11

y= -14

Multiply 3 into (y-1)

Then substitute 3 for Y

bringthe 3 over the equal sign to y

3y-3 = -3-11

y = -14

stellarik [79]3 years ago
3 0
3(y-1)=y-11

Distribute:
3y - 1 = y- 11

Add 11 to both sides

3y - 12 = y

subtract 3y on both sides

-12 = -2y

Divide by 2y

y= 6
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Ali Clara and Shane raise money for new books for the school library all Ellie rays 20% more than Clara and $58 more than Shan C
Vikki [24]

Answer:

a. $435

b. 33.33%

Step-by-step explanation:

P.S - The exact question is -

Let Clara raised money = x

As given,

Ali raised 20% more than Clara

⇒Ali raised money =  x + \frac{20}{100}x = x + \frac{1}{5} x = \frac{6}{5}x

Also given,

Clara raised \frac{1}{4} times more than Shan

Clara raised money = Shan raise money + \frac{1}{4} times shan raired money

⇒Clara raised money = \frac{5}{4}  Shan raised money

⇒Shan raised money =  \frac{4}{5} times Clara

⇒Shan raised money = \frac{4}{5} x

As given,

Ali raised $58 more than shan

⇒\frac{6}{5}x = \frac{4}{5}x + 58

⇒\frac{6}{5}x -\frac{4}{5} x = 58

⇒\frac{2}{5}x = 58

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∴ we get

Clara raised money = x = $145

Ali raised money = \frac{6}{5}x = $174

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a.)

Total raised money = $145 + 174 + 116 = $435

b.)

Percentage of money Clara raised = \frac{145}{435}×100% = \frac{1}{3}×100% = 33.33%

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which two beverages have a sum of 5/8 of the students votes favorite beverages iced tea 3/8 fruit juice 2/8 water 1/8 soda 2/8 _
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Answer:

The two beverages can be (iced tea,fruit juice) or (iced tea,soda).

Step-by-step explanation:

Given : Beverages iced tea \frac{3}{8}, fruit juice \frac{2}{8}, water \frac{1}{8}, soda  \frac{2}{8}.

To find : Which two beverages have a sum of  \frac{5}{8} of the students votes ?

Solution :

We have to get the two beverages whose sum became  \frac{5}{8} .

The possible ways are

1) Iced tea + Fruit juice = \frac{3}{8}+\frac{2}{8}

Iced tea + Fruit juice = \frac{5}{8}

2) Iced tea + Soda = \frac{3}{8}+\frac{2}{8}

Iced tea + Soda = \frac{5}{8}

Therefore, the two beverages can be (iced tea,fruit juice) or (iced tea,soda).

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