Answer:
4
Step-by-step explanation:
Proportionality between skein values
8:2=4:1
Proportionality between cost values
28:7=4:1
The variation(both the skein values and cost values) has the constant of 4 ie the 1st skein value × 4= the last skein value & the 1st cost value × 4=the last cost value
Answer:

Step-by-step explanation:
First place 3 as a mixed number = 3/1 then simply divide you get 7/18
30%,
1-5=20%
so 50%-20%= 30%
Answer:
0.485
Step-by-step explanation: