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Mathematics 15 Online
OpenStudy (anonymous):

Use cross products to see if each pair of ratios form a proportion. Replace each box with = or =/ (not equal) 1. 7 over 5 [ ] 15 over 10 2. 6 over 8 [ ] 15 over 20 Solve each problem: 3. 4 over 5 = 8 over x+2 4. 2 over 3 = 1.2 over x

OpenStudy (anonymous):

@perl

OpenStudy (anonymous):

@johnweldon1993

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