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Ilya [14]
3 years ago
14

20% of what number is 18 Explain.

Mathematics
2 answers:
Sophie [7]3 years ago
8 0
In this question, the thing that needs to be found is the number whose 20% would be 18. The information's required for getting to the solution are already provided in the question. based on those given information's, the answer can be deduced very easily.
Let us assume the unknown number to be = x
Then
(20/100) * x = 18
x/5 = 18
x = 18 * 5
   = 90
so the unknown number in the question is 90. I hope the procedure is clear enough for you to understand.
Snowcat [4.5K]3 years ago
7 0
We have a proportion: 18/?= 20/100

Cross multiply:
20*?= 18*100
⇒ ?= 18*100/20= 90

20% of 90 is 18~
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Answer:

5 2/3

Step-by-step explanation:

Just keep simplifying 8/12 until you end up with 2/3

Find the GCF of both the numerator and denominator and you end up with 2/3

Just to make it clear 8/12 = 2/3

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3 years ago
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7 0
3 years ago
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Taya2010 [7]

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5 0
2 years ago
Can someone help me with my question
irina1246 [14]
Answer=8.6c+13

Meg earns $5.40 per car and $5 in tips. Given the information, Meg's earnings can be shown in the expression '5.40c+5'

Rich earned 3.20 per car and $8 in tips. Given the information, Rich's earnings can be shown with the expression '3.20c+8'

Now lets put the expressions together to see how much they made all together...

5.40c+5+3.20c+8
add 5.40c and 3.20c
8.60c+5+8
add 5 and 8
8.60c+13
or
8.6c+13




5 0
3 years ago
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