The turner family went bike camping at a state park near the city. it took them 4 hours of riding to get there from their house. for the first 2 hours they ride 12 miles per hour. for the last 2 house they rode 9 miles per hour. how far is the star park campground from their house?

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value