4 years ago

Help!!!! Please just number 11 worth 90 points!!!!!

Mathematics

2 answers:

timurjin [86]4 years ago

3 0

Answer:

6.75 hrs are missing

Step-by-step explanation:

First, change all fractions into decimals:

8 = 8

7 1/4 = 7 + 0.25 = 7.25

8 1/2 = 8 + 0.50 = 8.50

Next, add all numbers gotten together:

8 + 7.25 + 8.50 = 23.75

Subtract the number gotten from the total

30.5 - 23.75 = 6.75

BARSIC [14]4 years ago

3 0

The answer would be 6.75 Hrs.

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