Answer:
7 pizzas
Step-by-step explanation:
Using the formula for slope (rise/run) we can calculate how much one pizza cost.
dollars per pizza.
Take the $11 per pizza and divide it by $80 to get 7.2727 pizzas. Since you can not have .2727 of a pizza you round down to 7 pizzas.
25 remainder 6 is how many times
Step-by-step explanation:

Answer:
The angle = 144 degrees.
Step-by-step explanation:
Look at it this way (it is a proportion question)
30 people would require a pie chart made of a full circle (360 degrees)
12 people would require x part of the pie chart.
30/360 = 12 / x Cross multiply
30x = 360 * 12 Simplify the right
30x = 4320 Divide by 30
30x/30 = 4320/20
x = 144 Answer
I divided the figure into two rectangles, found their areas separately and added them up to get the final area 168 cm squared.