Math  /  Algebra

Question20. Нийло̄эр нь 134 -тэй т тнцуү гурван тооны I нь II-тайгаа 6:76: 7, II нь III-тай 3:43: 4 харьцаа贝сгдыя бол ддгээр тоог ол.
27. Нийлбэр нь 156 -тай тэнцүү гурван тооны 1 нь II-тайгаа 3:23: 2, II нь III-тай 2:72: 7 харьцаа

Studdy Solution
Simplify and solve the equation:
12y=156 12y = 156
Divide both sides by 12 to solve for yy:
y=15612 y = \frac{156}{12} y=13 y = 13
Now substitute y=13y = 13 back into the expressions for the numbers:
First number: 3y=3×13=393y = 3 \times 13 = 39 Second number: 2y=2×13=262y = 2 \times 13 = 26 Third number: 7y=7×13=917y = 7 \times 13 = 91
The three numbers are 3939, 2626, and 9191.

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