Unless there is no promotion like "buy 2 get 1 free" or "buy 2 get 1 for 50%" etc. then the cost of ordering multiple items is always proportional. Let's say something costs $5. Two items will cost $10, three $15, four $20 etc. These numbers are all proportional. Hopefully that's what you meant :)
Answer:
A and B
Step-by-step explanation:
This is correct on khan academy!
Answer:
Sign is positive
Step-by-step explanation:
Negative number^72=negative number
negative number *(-3/7)=posigive number
Answer:
Melissa
Step-by-step explanation:
Melissa earned $390 while mike only made $230
Answer:
w=7.
Step-by-step explanation:
Divide 7 on both sides of the equation.