The constant of proportionality is y=5x. It will cost $30 for 6 packages to be shipped.
Answer:
5.33
Step-by-step explanation:
5+1/3
=5.3333
=533.33333333%
240
1 foot = 12 inches
4/3 feet = 16 inches
area = length × width
= 15 × 16
= 240 square inches