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Rudik [331]
4 years ago
10

Help me please thank you

Mathematics
1 answer:
Usimov [2.4K]4 years ago
3 0

Answer:

140°

Step-by-step explanation:

180°=(4x-20)+×

180° = 5x-20

200°=5x

x=40°

140°+40°=180°

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Owen bought 4 pizzas for a class party. If each person ate 1/5 of a pizza, how many people could be served? Division and multipl
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18. A science teacher has a supply of 20% saline solution and a supply of 50% saline solution. How much of each solution should
IrinaK [193]

Answer: Option 'B' is correct.

Step-by-step explanation:

Since we have given that

There is a supply of 20% saline solution and a supply of 50% saline solution.

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We will use "Mixture Allegation" to find the quantity of each solution:

Ist type of solution                           II nd type of solution

      20%                                                       50%

                                    28%

--------------------------------------------------------------------------------------

50%-28%                        :                         28%-20%

 22%                               :                            8%

  11                                  :                             4

Since there is total quantity of 60 ml of solution.

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Quantity of 50% solution in the mixture is given by

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Hence, there is 44 ml of the 20% solution and 16 ml of the 50% solution.

Therefore, Option 'B' is correct.

8 0
3 years ago
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