Answer:
14
Step-by-step explanation:
Plug the 5 into the equation
2(5) + 4 = 14
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:
170
Step-by-step explanation:
42%7=6. 6 times 5 is 30. 30 cakes in 5 days.
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