Answer:
The lemonade costs 1.4.
Step-by-step explanation:
This question is solved using a system of equations.
I am going to say that:
x is the cost of a cookie.
y is the cost of a lemonade.
Total cost for cookie and lemonade is 1.80.
This means that
.
As we want y, we have that 
Lemonade costs 1.00 more than the cookie?
This means that:

So




The lemonade costs 1.4.
%66.666
Because 4/6 times it will be that which is %66.666
Answer:
The answer is 5.
Step-by-step explanation:
5.7 is 5 7/10 and it cannot be simplified
Answer:
fourteen billion seven hundred ninety millio