allery840ꯗꯥ ꯃꯥꯔꯛ ꯇꯧꯔꯕꯥ ꯑꯥꯏꯇꯦꯝ ꯑꯃꯥ 714ꯒꯤꯗꯃꯛꯇꯥ ꯌꯣꯜꯂꯤ꯫ ꯗꯤꯁꯀꯥꯎꯟꯇꯀꯤ ꯆꯥꯗꯥ ꯑꯁꯤ:
A12%
B18%
C15%
D20%
Answer & Solution
Correct answer: C. 15%
1. ꯂꯨꯄꯥꯗꯥ ꯄꯤꯔꯤꯕꯥ ꯗꯤꯁꯀꯥꯎꯟꯇ ꯑꯁꯤ ꯄ꯭ꯔꯥꯏꯁ ꯃꯥꯏꯅꯤꯡ ꯁꯦꯜ ꯄ꯭ꯔꯥꯏꯁ ꯍꯥꯌꯅꯥ ꯃꯥꯔꯛ ꯇꯧꯏ꯫
2. ꯍꯥꯌꯕꯗꯤ 840 - 714 = 126 ꯑꯣꯏꯒꯅꯤ꯫
3. ꯗꯤꯁꯀꯥꯎꯟꯇ ꯆꯥꯗꯥ ꯑꯁꯤ ꯃꯇꯝ ꯄꯨꯝꯅꯃꯛꯇꯥ ꯃꯥꯔꯛ ꯇꯧꯔꯕꯥ ꯃꯃꯜ ꯑꯗꯨꯗꯥ ꯕꯦꯖ ꯑꯣꯏꯅꯥ ꯂꯧꯏ꯫
4. ꯑꯗꯨꯅꯥ ꯃꯁꯤ 126 / 840 x 100ꯅꯤ꯫
5. ꯃꯗꯨꯅꯥ ꯆꯥꯗꯥ 15 ꯄꯤꯔꯤ꯫ ꯃꯗꯨꯒꯤ ꯃꯍꯨꯠꯇꯥ ꯌꯣꯅꯕꯥ ꯃꯃꯂꯅꯥ ꯈꯥꯌꯗꯣꯀꯄꯅꯥ ꯑꯔꯥꯅꯕꯥ ꯃꯑꯣꯡꯗꯥ ꯆꯥꯎꯔꯥꯛꯅꯥ ꯆꯥꯗꯥ 17.6 ꯄꯤꯒꯅꯤ꯫
_ꯁꯣꯔꯁ: ꯁꯤꯂꯦꯕꯁ ꯃꯦꯊꯁ, Ch 7 ‘ꯀꯝꯄꯥꯔꯤꯡ ꯀ꯭ꯕꯥꯟꯇꯤꯇꯤꯁꯤꯡ’, S7.2 ꯗꯤꯁꯀꯥꯎꯟꯇꯁꯤꯡ ꯊꯤꯕꯥ_
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