The coordinate plane below shows triangles PQR and RST with corresponding side lengths in the ratio of 2:1. What is the slope of the line shown containing points P and T?

1/3

3/2

2

3

30 people weigh 160 pounds or more

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like:

the correct answer is 1.7