A meteorologist predicts that a day chosen at random from the next 90 days will have a 20% chance of rain. About how many of the 90 days does
the meteorologist predict rain?

Analyze the solution below. 7 3 x = −2 7 3 x(3 7 ) = −2(3 7 ) x = − 6 7 what property was used to solve the equation? property of opposites division property of equality addition property of equality multiplication property of equality