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imbambob
Answer is 10
Scale factor is 2.5 (30/12)
So you have to do 4 multiplied by 2.5 to get x on the bigger shape.
SufferingLife

Answer:

x = 10

Step-by-step explanation:

"y" will be the number that increases the next shapes size to not be confused with "x"

7*y = 17.5

7 / 17.5 = 2.5

y = 2.5

now multiply 2.5 into 4

2.5 * 4 = 10

x = 10

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