Answer:
Step-If 12 inches equals 3 inches, what is the scale factor ?
12 and 3 are divisible by 3
12 ÷ 3 = 4
3 ÷ 3 = 1
12:3 ratio simplified is 4:1
so the scale factor of 12 inches to 3 inches is 4:1
If 1/4 inches equals 2 feet, what is the scale factor ?
1⁄4 in = 1 ÷ 4 = 0.25 in
2 ft = 12 × 2 = 24 in
1 ÷ 0.25 = 4
24 × 4 = 96
0.25:24 ratio simplified is 1:96
so the scale factor of 1⁄4 inches to 2 feet is 1:96
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