Mengenal Perbandingan Senilai dan Berbalik Nilai
Interactive Video
•
Mathematics
•
7th Grade
•
Hard
Arrizal Muhaemin Yunus
FREE Resource
3 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Apa yang dimaksud dengan perbandingan senilai sesuai penjelasan dalam video?
Jika satu nilai bertambah, nilai lainnya berkurang.
Jika satu nilai bertambah, nilai lainnya juga bertambah secara proporsional.
Jika satu nilai bertambah, nilai lainnya tetap sama.
Jika satu nilai bertambah, nilai lainnya bertambah dua kali lipat.01
Answer explanation
Dalam video, dijelaskan bahwa perbandingan senilai adalah hubungan antara dua nilai yang bertambah atau berkurang secara bersamaan dalam proporsi tertentu. Contohnya: semakin banyak bahan baku yang digunakan, semakin banyak produk yang dihasilkan.
2.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Menurut contoh dalam video, jika 5 pekerja dapat menyelesaikan pekerjaan dalam waktu 12 hari, berapa hari yang dibutuhkan jika jumlah pekerja menjadi 10 orang?
6 hari
8 hari
10 hari
12 hari
Answer explanation
Dalam video, konsep perbandingan berbalik nilai dijelaskan dengan rumus a×b=c×da \times b = c \times da×b=c×d. Jika 5 pekerja menyelesaikan dalam 12 hari, maka:
5×12=10×x5 \times 12 = 10 \times x5×12=10×x
60=10x60 = 10x60=10x
x=6x = 6x=6.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam video, disebutkan bahwa seorang pedagang menjual 4 kg beras seharga Rp40.000. Jika seorang pembeli ingin membeli 10 kg beras, berapa harga yang harus dibayar?
Rp80.000
Rp100.000
Rp120.000
Rp140.000
Answer explanation
Harga per kg adalah 40.0004=Rp10.000\frac{40.000}{4} = Rp10.000440.000=Rp10.000.
Harga untuk 10 kg adalah 10×10.000=Rp100.00010 \times 10.000 = Rp100.00010×10.000=Rp100.000.
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