So first divide by 10 to get 32.2 then multiply by the remaining which is 3/10 so 3. 32.2 times 3 is 96.9 round up 97 add to 322 to get 419.
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I think it's D) triangle exterior angle theorem
Answer is provided in the image attached.
Actually none of the answers is correct - it's neither 30,900 nor 40,000.
30,944 rounded to the nearest ten thousand will give us 30,000. It's because 30,944 is closer to 30,000 than to 40,000.
X - 26000 - .06(26000) = 11,600
x - 26,000 - 1560 = 11,600
x - 27560 = 11,600
x = 11,600 + 27,560
x = 39,160 <== selling price