Respuesta :

capsasha2

Answer:

12

Step-by-step explanation:

  1. Set up a proportion: [tex]\frac{30}{10} = \frac{x}{4}[/tex]  
  2. Cross multiply, then divide: 30 × 4 = 120, 120 ÷ 10 = 12

I hope this helps!

cutelittlebean

Answer:

12 cm

Step-by-step explanation:

the ratio of the leaf long to wide is 3:1

so if the width is 4, and we know that 1 times 3 is 3, we find 4 times 3

which gives you your answer: 12.

hope this helps :))

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