Jasvasia is shopping on Amazon for new sunglasses . she notices a pair that she likes price changed from $32.15 to $18.99. what is the percent increase or decrease ? round your answer to the nearest tenth .

It decreased by 40.9%.

Explanation:

The formula for percent change is ((y2 - y1) / y1)*100 so just plug in $32.15 for y1 and $18.99 for y2 and you get the answer, which is approximately 40.9%.

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).