panjang pita banyak pita 3 10 5 6 8 5 10 4 rat rata panjang pita....dm.

Question

Matematika Diposting : 2017-04-06 Diupdate : 2022-03-18 cindy776

Pertanyaan

panjang pita banyak pita
3 10
5 6
8 5
10 4
rat rata panjang pita....dm.

Answer 1

3 x 10 = 30
5 x 6 = 30
8 x 5 = 40
10 x 4 = 40

total: 140:24 = 5,83

Answer 2

rata rata = (3*10)+(5*6)+(8*5)+(10*4)/25
= 30+30+40+40/25
= 140/25
= 5,6

maaf klo salah:)