A = 0.9 o
<span>so, </span>
<span>o = a/0.9 = 1.111a </span>
<span>so, the orange is 11% heavier than the apple.
glad i could help(:</span>
Answer: 
Step-by-step explanation:
Let be "x" the lenght in feet of rope that you can buy with 30 dollars.
According to the information provided in the exercise, you can buy a piece of rope of 2 feet with 20 cents.
Remember that 
Knowing this, you can write the following proportion:

FInally, solving for "x", you get this result:

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