Perbandingan besar uang Siti dan Sinta adalah 2 : 3, sedangkan perbandingan besar uang Sinta dan Eva adalah 4 : 5. Jika uang Siti Rp. 30.000, maka uang Eva adalah... (Pakai cara)

"> 3 ( x + 4 ) ≥ 5 x − 123 3 ⋅ x + 3 ⋅ 4 ≥ 5 x − 123 3 x + 12 ≥ 5 x − 123 / − 12 3 x ≥ 5 x − 135 / − 5 x − 2 x ≥ − 135 / : ( − 2 ) < 0 t h e n " ≥ " c han g e " ≤ " x ≤ 67.5 x ∈ ( − ∞ ; 67.5 >

Answered by Anonymous | 2024-06-10

3 ( x + 4 ) ≥ 5 x − 123 3 x + 12 ≥ 5 x − 123 2 x ≤ 135 x ≤ 2 135 ​

Answered by konrad509 | 2024-06-10

To solve the inequality 3 ( x + 4 ) ≥ 5 x − 123 , first simplify to 135 ≥ 2 x , leading to the solution x ≤ 67.5 . This indicates that x can take any value from negative infinity up to 67.5. The final result is expressed in interval notation as ( − ∞ , 67.5 ] .
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Answered by Anonymous | 2024-12-16

Jawaban:Rp36.000Penjelasan dengan langkah-langkah:Uang Sinta[tex] \tt = \frac{3}{2} \times 30.000[/tex][tex] \tt = \frac{90.000}{2} [/tex]= Rp45.000Uang Eva[tex] \tt = \frac{4}{5} \times 45.000[/tex][tex] \tt = \frac{180.000}{5} [/tex]= Rp36.000[tex]\boxed{ \red{ \boxed{\pink{\mathcal{M \frak{ ilana} \purple{ \tt01}}}}}} [/tex]

Answered by Milana01 | 2025-07-05