Answer:
y = -4
Step-by-step explanation:
Combine the y terms. To do this, add 0.3y to both sides, which results in:
5.1y + 0.3y = -21.6, or
5.4y = -21.6
Dividing both sides by 5.4 yields the desired result:
y = -21.6/5.4 = -4
Consider the complete question is "A store has two different sizes of ice cream on sale this week. The smaller container costs $3.87 for 48 ounces. The larger container costs $6.42 for 128 ounces. which ice cream costs less per ounce?"
Given:
The smaller container costs $3.87 for 48 ounces.
The larger container costs $6.42 for 128 ounces.
To find:
Which ice cream costs less per ounce?
Solution:
We know that

Using this formula, we get
Per ounce cost of small container 


Per ounce cost of larger container 


Since, 0.08 > 0.05 therefore, the per ounce cost of larger container is less.
Answer:
continous
Step-by-step explanation: