Carolyn and Kim are selling lemonade this summer.

Question

 It costs $0.10 to make each cup of lemonade.
 They are going to sell each cup of lemonade for $0.25.

What is the least number of cups of lemonade they need to sell in
order to collect $10.00 more than they spend? Show or explain your
work.

Answer 1

for x cups of drink,

cost = .1x
revenue = .25x

.25x = .1x + 10
.15x = 10
x = 66.7 or x=67

Answer 2

So the answer is X=67

Answer 3

E 34455

Answer 4

Carolyn and Kim are selling lemonade. It costs $0.10 to make each cup of lemonade. They are going to sell each cup of lemonade for $0.25. What is the total cost to make 55 cups of lemonade? Show or explain your work

Answer 5

The temperature for the past 8 hours has been changing at a rate of -1.5 degrees. The meteorologist predicts that the temperature will continue changing like this for the next 6 hours. The present reading is 0 degrees.
What was the temperature reading 7 hours ago?
What temperature is predicted for 6 hours from now?
When was the temperature reading 6 degrees?
When is the temperature expected to be -8 degrees?