The price of a notebook was $3.40 yesterday. today, the price rose to $3.65 . find the percentage increase. round your answer to the nearest tenth of a percent.

The percentage of increase is 7.4%

Step-by-step explanation:

1. You must apply the following formula for calculate the percentage of increase, where x is the percentage asked, a is the amount of change and b is the original amount:

2. Rounded to the nerarest tenth:

%

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°