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Hello, My fellow nairalanders help a brother to solve this Questions, i know there are alot of Good and smart peoples here.
Q1. If the price of one ounce falls by 4% to $326.40, what percentage increase is needed to raise the price to it's original value? Express the answer to the nearest tenth of a percent.
Thanks.

Dankasin:
Hello, My fellow nairalanders help a brother to solve this Questions, i know there are alot of Good and smart peoples here.
Q1. If the price of one ounce falls by 4% to $326.40, what percentage increase is needed to raise the price to it's original value? Express the answer to the nearest tenth of a percent.
Thanks.

answer is 4.2%

Explanation:
Let x rep. original price,
4% of x = x - $326.40,
therefore, x = $340

Now, the percentage increase needed to raise the price to it's original value is:
y% of $326.40 = $340 - $326.40,
y = 4.166666667%
y = 4.2% (apprx. to the nearest tenth)

Thanks Bro

Please some should help me solve this maths

Gbam