Erin and Ethan add the fractions 2 1/3 and 1 1/6. Look at their work below

  3 1/2

Step-by-step explanation:

Change to common denominator of 6.

2 1/3 = 2 2/6. (Multiply fraction by 3/3 to get 2/6)

Now you can add.

  2 2/6

+ 1 1/6

—————

3 3/6

3/6 can be simplified to 1/2 by dividing numerator and denominator by 6.

answer = 3 1/2

5050

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answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.