3 years ago

I need help on this one it is confusing. I tried to figure it out plz help!!!!!!

Mathematics

2 answers:

Liula [17]3 years ago

7 0

Step-by-step explanation:

5x+ 6y+1

..............

julsineya [31]3 years ago

5 0

Answer:

answe is 5x + 6y + 1

Step-by-step explanation:

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The price of an item yesterday was $60. Today, the price fell to $42. Find the percentage decrease.

oksian1 [2.3K]

Answer:

-30% or 30% decrease

Step-by-step explanation:

What's percentage decrease?

Percent decrease is the difference between the initial value and new value, indicating a loss of value.
The formula to find percent decrease is $\frac{NV-IV}{IV} * 100$ , where NV = new value and IV = initial value.

How do we solve this problem?

We know that the original value was $60, so that represents IV. Also, now that the price is $42, it represents NV.
Now, we plug in the values!
$\frac{42-60}{60} * 100$
$\frac{-18}{60} * 100$
$-\frac{3}{10} * 100$
$-3 * 10$
$-30$