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ss7ja [257]
2 years ago
10

I bought a television for $435. This is 60% of the original cost. What was the original cost?

Mathematics
1 answer:
Otrada [13]2 years ago
4 0

Answer:

$261

Step-by-step explanation:

Simply multiply 0.6 by 435

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Mark's school is selling tickets to the annual dance competition. On the first day of ticket sales the school sold 4 senior tick
erica [24]

The cost of each senior ticket is $ 5 and cost of each child ticket is $ 12

<em><u>Solution:</u></em>

Let "a" be the price of each senior ticket

Let "b" be the price of each child ticket

<em><u>On the first day of ticket sales the school sold 4 senior tickets and 4 child tickets for a to total of 68</u></em>

Thus a equation is framed as:

4 senior tickets x price of each senior ticket + 4 child tickets x price of each child ticket = 68

4 \times a + 4 \times b = 68

4a + 4b = 68 ---------- eqn 1

<em><u>The school took in 120 on the second day by selling 12 senior tickets and 5 child tickets</u></em>

Similarly, we frame a equation as:

12 \times a + 5 \times b = 120

12a + 5b = 120 ---------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

<em><u>Multiply eqn 1 by 3</u></em>

12a + 12b = 204 -------- eqn 3

<em><u>Subtract eqn 2 from eqn 3</u></em>

12a + 12b = 204

12a + 5b = 120

( - ) --------------

7b = 84

b = 12

<em><u>Substitute b = 12 in eqn 1</u></em>

4a + 4(12) = 68

4a + 48 = 68

4a = 20

a = 5

Thus cost of each senior ticket is $ 5 and cost of each child ticket is $ 12

4 0
2 years ago
write a function that has a greater rate of change than one function but a smaller rate of change than the other function
LenaWriter [7]
The function y = 5x has a rate of change that is in between the equation y = 4x and y = 6x.

In an equation, the rate of change is also called the slope. It is the amount that a number is increasing by. We put that value in front of the x in most equations.

In the equal that I gave, the 5 is in between the rates of 4 and 6.
4 0
3 years ago
The scale for a model house is 1:12
guapka [62]

Answer:

here's what I got from wikipedia (i dont like taking of other's brain skills :/ )

Step-by-step explanation:

<em>1:12 scale is a traditional scale (ratio) for models and miniatures, in which 12 units (such as inches or centimeters) on the original is represented by one unit on the model. Depending on application, the scale is also called one-inch scale (since 1 inch equals 1 foot)</em>

<em>hope this helps you :)</em>

5 0
3 years ago
Read 2 more answers
PLEASE ANSWERRRR
ryzh [129]

Answer:

positive

Step-by-step explanation:

If the variables tend to increase and decrease together, the association is positive.

hope this helps :)

8 0
3 years ago
Read 2 more answers
Quadrilateral MBPV is similar to quadrilateral GKDF. BP = 78 mm, KD = 30 mm , and FD = 45 mm. What is VP? Enter your answer in t
vlada-n [284]

Answer:

  VP = 117 mm

Step-by-step explanation:

Corresponding sides of similar quadrilaterals are proportional.

  VP/FD = BP/KD

  VP = FD·BP/KD = (45 mm)·(78/30) . . . . multiply by FD; fill in the givens

  VP = 117 mm

4 0
3 years ago
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