Pre-Algebra - Ratios and Proportions

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Ratios and Proportions Unit Quiz

Are these statements true or false?	True	False
1) 3:5 and 12:20 are equal ratios.
2)
3) 6 for $0.85 is better than 8 for $1.00
4) 7 miles in 10 minutes = 3.5 miles in 5 minutes.
5) If two triangles are similar, their sides are the same length.
6) If , then x = 3.
7) If cross products are equal, the ratios are equal.
8) , so 3 x 6 = 5 x 10.