DC :AB=3:2 can be written as
DC/AB=3/2
Then you can get the answers easily
The curves cross at coordinates (x, y) = (1, 4). The x-value is said to represent the increase in temperature, while the y-value is said to represent the numbers of visitors and those and who leave early.
The "solution" is the temperature change at which the number of visitors is equal to the number who leave early.
.75x+4=.75
hope this helps!
The answer is 343 if you add all together:)))