Are these ratios equivalent? 1:5 and 10:20

Anonymous
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Step 1: Write the ratios as fractions
NOTE: Equivalent ratios have the same value
[RECALL: ratios
[RECALL: fractions
Step 2: Simplify the fractions
NOTE: Cancel the numerator and the denominator with appropriate values
[RECALL: Simplify the fractions
Step 3: Conclude that the ratios are equivalent, if the fractions are equal