Answer:
The exact number would be 26.66666667 but it would be 26.
Step-by-step explanation:
Usually when dealing with decimals anything 5 and up would be rounded up but since we are dealing with money we don't round up. Since his friends lunch cost $3 every lunch the most he will be able to buy is 26. He will have about $2.5 left over which he cannot buy a lunch with so thats why you dont round up.
Explanation:
First you had to square from both sides of equation form.
Then you expanded form.
Solve by equation form.
Add by four from both sides of equation form.
Simplify.
Verified solutions.
Final answer: 
Hope this helps!
And thank you for posting your question at here on brainly, and have a great day.
-Charlie
Answer:
A store is offering a 14% discount on all items. Write an equation relating the sale price S for an item to its list price L.
Step-by-step explanation:
Answer: f(x) < 0 over the intervals (–infinity, –2.7) and
(–1, 0.8).
Step-by-step explanation:
I got it right
A-3b=9
a=b-3
b-3-3b=9
-2b-3=9
-2b=12
2b=-12
b=-6
a=-6-3
a=-9
Solution: (-9,-6)
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Check:
-9=-6-3
-9=-9
TRUE
