Answer: The percent gain was 25%.
Step-by-step explanation:
Given, Cost price of lot = $1,200
Selling price of lot = $1,500
The percent gain = 
⇒ Percent gain =

Hence, the percent gain was 25% based on his purchase.
Answer:
b. 0.86, 0.87
Step-by-step explanation:
a. Find attached solution to a
Answer:
repeating non repeating non repeating non repeating
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
because they're consecutive, each integer has to come right after the one before it.
if 1st integer is 1, the 2nd should be 2, and the 3rd should be 3.
3 is equal to 1 + 2, or n + 2
hopefully that works

- Error (e) = 50 - 42 = 8 feet
- assumed value (a) = 42 feet

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