Answer: $66
Step-by-step explanation:
Take off 20%:
75 x .20 = 15
75 - 15 = $60
Add 10%:
60 x .10 = 6
60 + 6 = $66
The volume of the igloo is 523.43 m^3
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How to get the volume of the igloo?</h3>
We know that the volume of a sphere of radius R is:

Where pi = 3.14
Then the volume of a hemisphere is half of that.
In this case, we have a hemisphere with a radius of 6.3m, then the volume will be:

If you want to learn more about volume:
brainly.com/question/1972490
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2 1/3 - 1 4/5
= 7/3 - 9/5
= 35/15 - 27/15
= 8/15
ANSWER: 8/15
7 3/4 - 6 4/5
= 31/4 - 34/5
= 155/20 - 136/20
= 19/20
ANSWER: 19/20 ft. farther