Answer:
435.2kg (1DP)
Step-by-step explanation:
0.64x680
64 divided by 100 = 0.64
Answer:
The answer is C
Step-by-step explanation:
C. Yi = 0 + 1X1 + 2X2 + 3X3 + 4X4 + ei
ratio is 3:5; 3 + 5 = 8
32/8 =4
so boys: 3*4 =12
girls: 5*4 = 20
boys to girls is 3:5 = 12:20