The price of an item has dropped to $102 today. Yesterday it was $120. Find the percentage decrease.

Answers

Answer 1

Answer: Using cross multiplication, 102/120=x/100 ---> 120x=10200 divide the entire problem by 120 ---> 85. 102 is 85% of 120, so the item has dropped in price by 15%

Answer 2

Answer:

Final answer:

The decrease in price is $18. The percentage decrease is calculated by dividing the decrease by the original price and multiplying by 100, which results in a 15% decrease.

Explanation:

The problem involves finding the percentage decrease of a price from $120 to $102. The first step is to find out how much the price decreased. This involves subtracting the new price ($102) from the original price ($120), which gives us an amount of $18. Now, the percentage decrease is computed by dividing this decrease ($18) by the original price ($120) and multiplying the result by 100. Hence, Percentage decrease = ($18 / $120) * 100% = 15%.

Therefore, the price has decreased by 15% from yesterday to today.

Learn more about percentage decrease here:

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Leo can run a mile in 7.45 minutes. At that rate, how long would it take for him to run a marathon (we let a marathon equal 26.2 miles)?

Answers

multi subs AND THIS AND THAT AND THIS AND THAT

Answer:

195.19 min

Step-by-step explanation:

7.45 x 26.2 = 195.19

Evaluate the Riemann sum for (x) = x3 − 6x, for 0 ≤ x ≤ 3 with six subintervals, taking the sample points, xi, to be the right endpoint of each interval. Give three decimal places in your answer.

Answers

Hello,

Reminders:
$\sum_(i=1)^(n) i= (n(n+1))/(2)$
$\sum_(i=1)^(n) i^2= (n(n+1))/(2)$
$\sum_(i=1)^(n) i^3= (n^2(n+1)^2)/(4)$

$n=6\n x_(0)=0\n x_(n)=3\n \Delta= (x_n-x_0)/(n)=0.5\n$
$x_(i) =0+\Delta*i= (i)/(2)$

$\sum_(i=1)^(n)\ \Delta*f(x_(i))=\sum_(i=1)^(6)\ (i^3/8-6i)/(2)$
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What is the volume of the right prism? A.3780 in3

B.16,800 in3

C.8400 in3

D.3360 in3

Answers

What is the volume of the right prism?

C.8400 in3

What is perpendicular?

Answers

Answer:at an angle of 90° to a given line, plane, or surface.

Step-by-step explanation:

A lamp is on sale and it's price is reduced from $80 to $50. what is the percentage decrease?

Answers

Percentage change =Final value -Initial value / initial value * 100\
= 50 - 80 / 80 * 100
= -30/80 * 100
= -3/8 * 100
= -300/8
= -37.5%

In short, Your Answer would be -37.5%

Hope this helps!

What is the fraction equivalent of 40% in simplest form? 2/5 4/10 40/100 4/100 pan

Answers

Answer:

2/5

Step-by-step explanation:

Answer:

2/5

Step-by-step explanation:

good luck you got this

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