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pantera1 [17]
3 years ago
15

A lamp sold for $17.60, which represented a 12% discount. What was the original price of the lamp​

Mathematics
2 answers:
guajiro [1.7K]3 years ago
8 0

1) Find the percentage difference between 12% and 100%.

100-12= 88%

1a) Put the percentage in its decimal form.

88%/100= 0.88

2) Divide 17.60 by 0.88

17.60/0.88= 20

Therefore, the original price of the lamp is $20.

Hope this helps!

notka56 [123]3 years ago
7 0

Answer:

Original price of the lamp is $20.

Step-by-step explanation:

To find the difference from 100-12, which gives us equal to 88. Then, you divide 100 to use decimal form, 88/100=0.88 or 100/100=1. Divide decimals from left to right. 17.60/0.88=20%. The original price of the lamp is 20, which is our answer.

I hope this helps!

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X less than 42 is 15<br><br> Which equation represents this scenario?
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Answer:

42 is 15

Step-by-step explanation:

42 is 15 because of x

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White lightbulbs are sold in packages of 9. Yellow lightbulbs are sold in packages of 12. Find the least number of lightbulbs of
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The least common multiple of each number is 36. So that is the answer. She will buy 4 packages of white and 3 packages of yellow bulbs.
5 0
2 years ago
From 10:00 am to noon, the rise in temperature is 4 degrees C, and from 3:00 pm to 5:00 pm, the fall in temperature is 6 degrees
lyudmila [28]

Answer:

(a) 2 degree celsius per hour

(b) 3 degree celsius per hour.

Step-by-step explanation:

From the question,

(a) Avearge rate of rise in temperature per hour(T') = Rise in temperature(T)/Time required for the rise(t).

T' = T/t.................... Euqation 1

Rise in temperature (T) = 4 degree celsius, t = 10.00 am to noon = 2 hours.

Substitute into equation 1

T' = 4/2

T' = 2 degree celsius per hour.

(b) Also,

Average rate of fall in temperature per hour (T') = Fall in temperature (T)/Time(t)

T' = T/t

Given: T = 6 degree celsius, t = 3:00 pm to 5:00 pm = 2 hours

T' = 6/2

T' = 3 degree celsius per hour

3 0
3 years ago
Complete the equation of the line through (-10,-7)(−10,−7)(, minus, 10, comma, minus, 7, )and (-5,-9)(−5,−9)(, minus, 5, comma,
Tanzania [10]

Answer:

y = -\frac{2}{5}\cdot x - 11

Step-by-step explanation:

First, the slope is determined by using the following expression:

m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

m = \frac{-7-(-9)}{-10 - (-5)}

m = -\frac{2}{5}

The y-intercept is found by using the line equation, the slope and one point:

y = m \cdot x +b

b = y - m\cdot x

b = -7 - \left(-\frac{2}{5}\right)\cdot (-10)

b = -11

The equation of the line is:

y = -\frac{2}{5}\cdot x - 11

7 0
3 years ago
Base your answer on Betty is thinking of two consecutive integers whose sum is 41.
mel-nik [20]

Answer:

let the numbers be, x and x+1 ( as it is consecutive number the next number will have 1 more than the number )

sum = 41

so, x + ( x + 1 ) = 41

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so the consecutive numbers whose sum is 40 are, 20 and 21  

hope this answer helps you.....

please mark as brainliest... thank you!

6 0
2 years ago
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