Answer: $15.00
Step-by-step explanation: If 3 sodas cost you $4.50 then you divide it by 3 to get $1.50 per soda. Then you multiply the number by ten to get $15.
Answer:(x,y)=(2.5,1)
Step-by-step explanation:
Given


thus on comparing
2x+y=6------1


On comparing exponent of 2
------2
we get x=2.5
substitute x in 1
y=1
(x,y)=(2.5,1)
Answer:
30% discount.
Step-by-step explanation:
Answer:
y=4x
Step-by-step explanation: