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weeeeeb [17]
3 years ago
12

The discount on a new refrigerator was $250. This was a discount of 18 %

Mathematics
1 answer:
telo118 [61]3 years ago
6 0

Answer:

                x = 1388.89

Step-by-step explanation:

x    - the sale price of new refrigerator

18%x = 0.18x   - the discount

0.18x = 250

x = 250÷0.18 = 1388.8888...

x = 1388.89

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The expression 100 + 20m100+20m100, plus, 20, m gives the volume of water in Eduardo's pool (in liters) after Eduardo spends mmm
hodyreva [135]

Answer:

205 litres

Step-by-step explanation:

Given:

Volume of water is given as:

V=100+20m (in litres)

<em>m</em> is the time in minutes spent filling water in Eduardo's pool.

To find:

Volume of water in the pool after the water is filled for 5\frac{1}{4} minutes.

Solution:

Here, volume of water in the Pool (in litres) is given by the equation:

V=100+20m ....... (1)

Where m is the time for which Eduardo fills the pool.

Here, we are also given that

m = 5\frac{1}{4} minutes = \frac{5\times4+1 }{4}=\frac{20+1}{4}=\frac{21}{4} minutes

And we have to find the value of V after \frac{21}{4} minutes.

Let us put the value of m as \frac{21}{4} minutes in the equation (1) to find the value of V.

V=100+20m\\\Rightarrow V = 100 + 20 \times \frac{21}{4}\\\Rightarrow V = 100+105\\\Rightarrow \bold{V = 205\ litres}

So, the volume of water in the pool after \frac{21}{4} minutes is <em>205 litres.</em>

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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