To determine if the fractions form a proportion, we need to check if the cross products are equal.
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For the first option (2.5/10 = 12/48):
- Cross multiply: \[ 2.5 \times 48 = 120 \] \[ 10 \times 12 = 120 \]
- Since \( 120 = 120 \), this is a valid proportion.
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For the second option (2.52 = 12/24):
- Cross multiply: \[ 2.5 \times 24 = 60 \] \[ 12 \times 2 = 24 \]
- Since \( 60 \neq 24 \), this is not a valid proportion.
Thus, the conclusion is:
- The first statement (2.5/10 = 12/48) is a proportion.
- The second statement (2.52 = 12/24) is not a proportion.
So, the correct response would be: "2.5/10 = 12/48 is a proportion. 2.52 = 12/24 is not a proportion."
However, among the provided choices, the best response is: "2.510=1248 Start Fraction 2.5 over 10 End Fraction equals Start Fraction 12 over 48 End Fraction" is correct that it is a proportion.