Answer :

Answer:

78.3333333333

Step-by-step explanation:

77 + 78 + 80 = 235

235 ÷ 3 = 78.3333333333

Answer:

78.3333

Step-by-step explanation:

add all the numbers and divide by 3(as there are three numbers)

= 77+78+80

3

= 235

3

= 78.3333

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