alleryꯑꯣꯏꯒꯅꯤ꯫ 40 km/hꯗꯥ ꯈꯣꯉꯆꯠ ꯑꯃꯥ 1 h ꯂꯦꯞꯇꯅꯥ ꯂꯣꯏꯁꯤꯜꯂꯤ; 60 km/hꯗꯥ, 1 h ꯉꯟꯅꯥ꯫ ꯁꯦꯗ꯭ꯌꯨꯜ ꯇꯧꯔꯕꯥ ꯃꯇꯝ?
Aꯑꯣꯏꯒꯅꯤ꯫
6 ꯄꯨꯡ꯫
Bꯑꯣꯏꯒꯅꯤ꯫
5 ꯄꯨꯡ꯫
Cꯑꯣꯏꯒꯅꯤ꯫
3 ꯄꯨꯡ꯫
Dꯑꯣꯏꯒꯅꯤ꯫
4 ꯄꯨꯡ꯫
Answer & Solution
Correct answer: B. ꯑꯣꯏꯒꯅꯤ꯫
5 ꯄꯨꯡ꯫
ꯑꯣꯏꯒꯅꯤ꯫
ꯗꯤꯁ꯭ꯇꯦꯟꯁ dꯒꯤ ꯑꯣꯏꯅꯥ, d/40 − d/60 = 2ꯅꯥ d = 240 km ꯄꯤ, ꯃꯔꯝ ꯑꯗꯨꯅꯥ ꯁꯦꯗ꯭ꯌꯨꯜ ꯇꯧꯔꯕꯥ ꯃꯇꯝ ꯑꯁꯤ 240 ÷ 40 − 1 = 5 ꯄꯨꯡꯅꯤ꯫
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