-30x-12y+36x-12y
Combine the x' s first
6x-12y-12y
Combine the y's
6x-24y is your answer
Answer:
3 to 10 , 3
Step-by-step explanation:
There are 3 true questions and 7 false question , in total , there are 10 questions.
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There were 160 athletes at the meet.
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Answer:
Sam: $30; Bethan: $24
Step-by-step explanation:
Since the ratio is 5:4 Sam has to pay 5/9 of the total which is 54. To find how much he pays set up the equation like this.

Cross Multiply
54(5)=9x
270=9x
Divide by 9
30=x
So Sam pays $30. To find out how much Bethan pays simply subtract 30 from 54
54-30=24
So Bethan pays $24
32 copies - 1 min - 60 seconds
176 copies - t
32 * t = = 176 * 60 seconds
t = 176 * 60 / 32 = 330 seconds