First of all you have to make them equal to each other. What I mean is the following
3x+20=2x+40
Then you should just solve for x
The estimated price you will pay for lunch is $24.69.
Answer:
book, bread, penny, bills
Step-by-step explanation:
It takes the least amount of books to reach 1ft, then bread, penny, lastly bills
Answer: x = 4
Step-by-step explanation: multiply both sides of the equation by 4. multiply 7 and 4 to get 28. add 28 and 1 to get 29. add 3 to both sides and add 29 and 3 to get 32. divide both sides by 8 then divide 32 by 8 to get 4.