Ratio to total

7:12 is the ratio of orchids to tulips. What is the ratio of the number of orchids to the total number of flowers in the garden?

Correct answer:

r =  7:19

Step-by-step explanation:

$r={\displaystyle \frac{7}{7+12}}={\displaystyle \frac{7}{19}}\approx 0.3684=7:19$

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