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Jika anda sedang melihat jawaban dari pertanyaan In a math test, Jake scored 30 more marks than Harley. The ratio of Jake's marks to Harley's marks is 21 : 11. How many marks did Jake score? ente berada di website yang benar. Kami ada 2 jawaban atas In a math test, Jake scored 30 more marks than Harley. The ratio of Jake's marks to Harley's marks is 21 : 11. How many marks did Jake score?. Silakan lihat jawaban selanjutnya disini:
Jawaban: #1:Penjelasan dengan langkah-langkah:
Jake's marks = (21)/(21-11) x 30
= 21/10 x 30
= 63
Jawaban: #2:Penjelasan dengan langkah-langkah:
[tex]\fracJakeHarley=\fracJake_ScoreHarley_Score\\\frac2111=\frac30+Harley_ScoreHarley_Score\\21\times Harley_Score=11(30+Harley_Score)\\21\times Harley_Score=330+(11\times Harley_Score)\\(21\times Harley_Score)-(11\times Harley_Score)=330\\11\times Harley_Score=330\\Harley_Score=30\\\\Jake_Score=30+Harley_Score=30+30=60[/tex]