soal matematika tolong di bantu y

in a test consisting of 100 questions, each correct answer is rated 2, each incorrect answer is raed -1, and the questions which are left unanswered are rated 0. in a test, a student answered correctly 76 questions and did not answer 5 questions.what was the total score the student got?

3 (y+2)=12
5x + 4 =2 (x+5)

Rizkia :
soal yg bnar 76 soal. Jd 76 x 2 = 152
jika yg di jwb bnar ad 76 dan yg tdk dijawab ad 5,maka yg jwbn-a slah adalah 100 - 76 - 5 = 19

krena yg slah 19. Jd nilai-a adalah 152 - 19 = 133


carool :

3(y+2)=12
3y+6=12
3y=12-6
3y=6
y=6 : 3
y=2


5x+4=2(x+5)
5x+4=2x+10
5x-2x=10-4
3x=6
x=6 : 3
x=2

seorang pemilik toko sepatu ingin mengisi tokonya dengan sepatu laki-laki paling sedikit 75 pasangdan sepatu wanita paling sedikit 100 pasang.Toko tersebut hanya dapat memuat 200 pasang sepatu.Keuntungan setiap pasang sepatu laki-laki sebesar Rp 15.000,00 dan sepatu wanita Rp 10.000,00.Tentukanlah :
a. banyaknya masing-masing jenis sepatu yang disediakan agar hasil penjualan memberikan keuntungan yang sebesar-besarnya.
b. Keuntungan maksimum yang mungkin dicapai.

rizkia septiani zahroh wrote:

in a test consisting of 100 questions, each correct answer is rated 2, each incorrect answer is raed -1, and the questions which are left unanswered are rated 0. in a test, a student answered correctly 76 questions and did not answer 5 questions.what was the total score the student got?

THE ANSWER FROM THE QUESTION IS 133 OF POINT

saya ingin tanya:
berapa hasil dari 100ca =   ca