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Dafna11 [192]
3 years ago
15

1 +1 2+2 3+3 4+4 5+5 6+6

Mathematics
1 answer:
julsineya [31]3 years ago
5 0
46 i think. sorry if i’m wrong
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At the city museum, child admission is $6.20 and adult admission is $9.40. On Thursday, 163 tickets were sold for a total sales
Tju [1.3M]
<h2>Systems of Equations</h2>

To form a system of equation from a word problem, we must recognize different variables to form different equations.

<h2>Solving the Question</h2>

Let <em>a</em> represent the number of child tickets.

Let <em>b</em> represent the number of adult tickets.

We're given:

  • 1a = $6.20
  • 1b = $9.40
  • a and b in total is 163
  • Total sales = $1221.80

Because we're given that a and b in total is 163, we can form the following equation:

a+b=163

We're also given that the total sales made is $1221.80. Because we know that 1a = $6.20 and 1b = $9.40, we can also form the following equation:

6.2a+9.4b=1221.8

Here are our two equations:

a+b=163

6.2a+9.4b=1221.8

<h3>Solving the System of Equations</h3>

We can solve using the method of elimination. Multiply both sides by 6.2 in the first equation:

6.2(a+b)=6.2(163)\\6.2a+6.2b=1010.6

Subtract this new equation from the second equation to cancel out <em>a</em>:

\hspace{10}6.2a+9.4b=1221.8\\- 6.2a+6.2b=1010.6\\\rule{100}{0.5}\\3.2b=211.2

Solve for <em>b</em>:

b=66

Therefore, the number of adult tickets sold is 66.

<h2>Answer</h2>

66

4 0
2 years ago
A packer puts 50 vitamin capsules into a bottles. How many bottles are needed to pack 100 dozen capsules?
azamat

24 bottles because 100 dozen capsules equal 1,200 capsules. Then 1,200 capsules divided by 50 equals 24.

8 0
3 years ago
The length and breath of a rectangular field is in the ratio 3:4. It’s area is 6912 sq.cm find its dimensions.
anastassius [24]

Answer:

The ratio of length to breadth is 3:4

let the length be 3x

breadth be 4x

area = 4x x 3x

6912 = 12x^2

x^2 = 576

x=24

length= 72

breadth =96

actually length will be greater than breadth

so the ratio must be 4:3 then alter the above length and breadth values

5 0
3 years ago
use the order of operations to simplify the left side of the inequality below. What values of x make the inequality a true state
disa [49]

Answer:

x<−0.00325153

x> 0.00325153

Step-by-step explanation:

-1/2 (3^(2)+7) x >32

-1/2 (3^(9) x >32

-1/2 (19683) x >32

-9841.5 x >32

x<−0.00325153

x> 0.00325153

7 0
2 years ago
This one I need the answers for both of 12 points!!!!
Debora [2.8K]

Part A

c - number of washed cars

Answer: 400 + 5c > 900

Part B

400 + 5c > 900           | - 400

400 + 5c - 400 > 900 - 400

5c > 500             | : 5

5c : 5 > 500 : 5

c > 100

Answer: 100 cars

5 0
4 years ago
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