Answer:
Enter the values in ratio format.
8 : x = 4 :2
change the ratio format to division format
8/x = 4/2
8/x = 2/1
cross multiply the values
2x = 8
x = 4
hence the 8 pencils would cost 4$
Step-by-step explanation:
Answer:
Find the common ratio of the number, then If the table in direct variation all the ratios must be equal
Step-by-step explanation: