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6 erasers cost $6.60 Which equation would help determine the cost of 3 erasers? A 3/x =$6.60/6 B 3/6 =$6.60/x c x/3 =6/$6.60 D x/3 =$6.60/6 None of the above

Answer :

Answer:

The equation that would help determine the cost of 3 erasers is option B: 3/6 = $6.60/x.

Step-by-step explanation:

To calculate the cost of 3 erasers, we can set up a proportion based on the given information. The cost of 6 erasers is $6.60, so we can express this as:

6 erasers / $6.60

Now, we want to find the cost of 3 erasers, which we can represent as:

3 erasers / x dollars

To set up the proportion, we equate the ratios:

6/6.60 = 3/x

Now, we can cross-multiply:

6x = 3 * 6.60

6x = 19.80

Now, solve for x:

x = 19.80 / 6

x = $3.30

So, the cost of 3 erasers is $3.30, and the equation that helps determine this cost is indeed option B: 3/6 = $6.60/x.

Option b is Correct.

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