Graduated cylinders and beakers what are they and whats the difference
1 answer:
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Answer:
<em>17.1 feet</em>
Step-by-step explanation:
Scale drawing = 5.7 inches
scale = 1 inches = 3 feet
If 1 inches = 3 feet
5.7 inches = feet
solving for , we cross-multiply
x 1 = 5.7 x 3
= <em>17.1 feet</em>
The price of a senior citizen ticket is $8 and the price of a student ticket is$ 10
Step-by-step explanation:
Let the cost of one seniors citizen ticket be x and student be y
First day:
10 seniors citizen tickets and 11 student for a total of $190.
10x + 11y = 190-----------------------------(1)
Second day:
$160 on the second day by selling 5 senior citizen tickets and 12 student tickets.
5x + 12y = 160---------------------------------(2)
Multiply eq(2) by 2
10x + 24y = 320----------------------------(3)
Subtract eq(1) from (3)
10x + 24y = 320
10x + 11y = 190
-----------------------------
0x + 13 y = 130
---------------------------
13y = 130
y = 10-------------------------------(4)
Substituting (4) in (2)
5x + 12(10) = 160
5x + 120 = 160
5x = 160-120
5x = 40
x = 8