Part 2 : a local pizzeria sold 72 pizzas yesterday. suppose the actual number of pizzas sold was 77. determine if the number of pizzas sold as a percent increase or decrease as compared to the amount sold yesterday, rounded to the nearest tenth. show your work.

6.9% increase

Step-by-step explanation: original: 72

                                              new: 77          5              x         =     500    = 6.9%

                                                                      72           100               72

answer: 21$

step-by-step explanation:

$42 / $14 = 3   (ratio 3: 1)

$7 x 3 = $21