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3 years ago

Clare is painting some doors that are all the same size. She used 2 liters of paint to cover

Mathematics

1 answer:

grigory [225]3 years ago

3 0

Answer:

I think it's 1 1/4 liters of paint for one door

Step-by-step explanation:

First you have to turn it to an improper fraction

1.) 1 3/5 = 8/5

Then you have to proportion the fraction with the 2 liters (L=liters)

2.) 2/(8/5)

= 10/8 L

3.) Next you convert the fraction to a mixed number

10/8 L --> 8/8 + 2/8 = 1 1/4 L

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5 less than twice a number is equal to one half the difference of three times the number and 13. Find the number.

antoniya [11.8K]

Answer:

The number will be $-3.$

Step-by-step explanation:

Let us assume the number as $x$ .

Given:

⇒ $5$ less than twice a number that will be $2x - 5$ , which is equal to half the difference of three times the number and 13

We have to find the number.

Solution:

The difference of three times the number and 13 could be represented as : $3x - 13$

The value be equal to $\frac{1}{2}$ of this $3x - 13$ ⇒ $\frac{1}{2} ( 3x - 13 )$

As we can see here,

That we got a equation ⇒ $2x - 5 = \frac{1}{2} ( 3x - 13 )$

Now, we can solve the above equation:

$2x - 5 = \frac{1}{2} ( 3x - 13 )$

We have multiply both sides by $2$ ⇒ $4x - 10 = 3x - 13$

then, ⇒ $x - 10 = -13$

⇒ $x = -3$

Hence we can say that number which was assumed as $x$ will be $-3.$

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