alleryꯀꯔꯤꯒꯨꯝꯕꯥ (x + y) : (x - y) = 7 : 3 ꯑꯣꯏꯔꯕꯗꯤ, x : y ꯑꯁꯤꯅꯤ꯫
A3 : 7
B2 : 5
C7 : 3
D5 : 2
Answer & Solution
Correct answer: D. 5 : 2
ꯀ꯭ꯔꯣꯁ-ꯃꯜꯇꯤꯞꯂꯥꯏ ꯇꯧꯕꯅꯥ 3x + 3y = 7x - 7y ꯄꯤ, ꯃꯔꯝ ꯑꯗꯨꯅꯥ 4x = 10y ꯑꯃꯁꯨꯡ x : y = 5 : 2 ꯄꯤ꯫
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