The ratios in an equivalent ratio table 3:12 ,4:16 ,and 5:20 . If the first number in the ratio is 10 what is the second number? Justify your reasoning

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step-by-step explanation:

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours

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