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Nezavi [6.7K]
3 years ago
7

to make mortar you mix 1 shovel of cement with 5 shovels of sand. how much sand do you need to make 30 shovels of mortar

Mathematics
1 answer:
pantera1 [17]3 years ago
4 0
It takes 5 shovels of sand to make 1 shovel of mortar so how many will it take to have 30 shovels of mortar? You can put this in a proportion. 5/1 = x/30 You don't need to worry about the cement since it's asking for sand. Cross multiply and you get x·1 and 30·5. So this means you need 150 shovels of sand. x=150 when you multiply 30·5.
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Mike and John are the partners in a local bar who invest in a ratio of 7:13, respectively. They started the business with $1.5M.
Mamont248 [21]

Answer:

A) $525,000

B) $975,000

C) 35%

Step-by-step explanation:

To solve A) and B), divide the total amount of money by the sum of the parts of the ratio (7 + 13 = 20, in this case), and then multiply this by the person's portion of the ratio. This is because you are finding the worth of '1 part', and are then multiplying it to find how much money all their parts are worth together.

To solve C), take a person's portion of the ratio, divide it by the sum of the portions of the ratio and then multiply by 100% to get a percentage. In this case, 7/(7 + 13) * 100% = 7/20 * 100% = 0.35 * 100% = 35%.

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If ∠WXZ≅∠YXZ and WZ = 38, what is YZ?
Vlad1618 [11]

Answer:

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Step-by-step explanation:

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2 years ago
Miguel conducts a survey of 750 college students to see how many of them have a part-time job. His results show that 500 of the
Bingel [31]
Miguel: 500 out of 750 students have part time jobs.

500 ÷ 250 = 2
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A) 200 out of 300 ⇒ 200/100 and 300/100 ⇒ 2:3
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D) 9000 out of 1300 ⇒ 9000/100 and 1300/100 ⇒ 90:13

Among the choices, Choice B could represent Kureshi's Data because it is not proportional to the data of Miguel.

Choice D is not possible. You cannot have a result that is way beyond the scope of your population. It is impossible to get 9000 students out of only 1300 students.

8 0
2 years ago
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Thirty eight million fifty thousand and seventy six
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