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Aleonysh [2.5K]
3 years ago
8

Preston drew a blueprint of an additional room he is planning to add to his house. On the blueprint, 2 centimeters is equal to 3

feet in the actual room. If Preston wants the room to measure 9 feet by 12 feet, what are these dimensions on the blueprint?
A.
9 cm by 12 cm
B.
6 cm by 8 cm
C.
6 cm by 12 cm
D.
8 cm by 9 cm
Mathematics
2 answers:
Sidana [21]3 years ago
8 0
1 cm = 1.5 feet
9 feet / 1.5 = 6 cm    12 feet / 1.5 = 8 cm    B. 6 cm by 8 cm
NeTakaya3 years ago
7 0

Answer:

it is b the other one was confusing to me

Step-by-step explanation:

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The school that Jack goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 9 seni
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Answer:

Price of a senior citizen ticket is $4 and price of a student ticket is $15 .

Step-by-step explanation:

Let us assume that the price a senior citizen ticket be x .

Let us assume that the price a student citizen ticket be y .

As given

The school that Jack goes to is selling tickets to a choral performance.

On the first day of ticket sales the school sold 9 senior citizen tickets and 8 student tickets for a total of $156.

Equtaions becomes

9x + 8y = 156

As given

The school took in $163 on the second day by selling 7 senior citizen tickets and 9 student tickets.

Equations becomes

7x + 9y = 163

Multipy 9x + 8y = 156 by 9 .

81x + 72y = 1404

Multiply 7x + 9y = 163  by 8 .

56x + 72y = 1304

Subtracted 56x + 72y = 1304 from 81x + 72y = 1404 .

81x - 56x + 72y - 72y = 1404 - 1304

25x = 100

x = \frac{100}{25}

x = $ 4

Putting value of x in the 56x + 72y = 1304 .

56 × 4 + 72y = 1304

224 + 72y = 1304

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y = \frac{1080}{72}

y = $15

Therefore the price of a senior citizen ticket is $4 and price of a student ticket is $15 .


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