Solving Proportions  
Common Core Math Alignment: 6.RP.3. Use ratio and rate reasoning to solve realworld and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.
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50% (350 x 300) 
75% (525 x 450) 
100% (700 x 600) 
150% (1050 x 900) 
200% (1400 x 1200) 
300% (2100 x 1800) 