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Vikki [24]
4 years ago
11

Wat is the ratio of 7 to 21

Mathematics
2 answers:
Mice21 [21]4 years ago
5 0

Answer: if you're asking how to write it then it would be 7:21


Step-by-step explanation:


Nostrana [21]4 years ago
3 0

Answer:

1/3

Step-by-step explanation:

7/21 = 1/3

7/21 = 0.333

0.333 = 1/3

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(b) A color printer prints 23 pages in 12 minutes.
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4.A store pays $85 for a table. The markup is 90%. What is the selling price?
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$161.50

Step-by-step explanation:

the revenue for an item of $85 with a 90% markup is $161.50

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3 years ago
Find the values a) 5%of RS 680​
Snowcat [4.5K]

Answer:

5%of RS 680

RS 34

Step-by-step explanation:

==> 5%of RS 680

==> 5% of 680

==> <u>(</u><u>680</u><u>)</u><u>/</u><u>1</u> ×(<u> 5</u><u>)</u><u>/</u><u>1</u><u>0</u><u>0</u>

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3 0
2 years ago
Read 2 more answers
Deborah is x years old is Ella is 1 years old the sum of their ages is 58 if the area is 4 years younger than Sara find the ages
mihalych1998 [28]

Answer:

Deborah is 31; Sarah is 27.

Step-by-step explanation:

Question:

"Deborah is x years old and Sarah is why is the sum of their ages is 58 if Deborah is 4 years older than Sarah find the ages of both women."

"sorry it is y years old."

Solution:

Deborah's age = x

Sarah's age = y

The sum of their ages is 58

x + y = 58

"Deborah is 4 years older than Sarah"

x = y + 4

We have a system of two equations.

x + y = 58

x = y + 4

The second equation is already solved for x, so we can use the substitution method.

Rewrite the first equation, and then rewrite it again substituting y + 4 for x.

x + y = 58

y + 4 + y = 58

2y + 4 = 58

2y = 54

y = 27

Now use the second original equation to solve for x.

x = y + 4

x = 27 + 4

x = 31

x = 31; y = 27

Deborah is 31; Sarah is 27.

3 0
3 years ago
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