8.for every 15 columns of news stories in a newspaper, 4 columns of ads are required. if a newspaper contains 300 columns of news stories, how many columns of ads must it have?

the answer is 80

Step-by-step explanation:

Basically you use proportions. So, using the 1st picture you cross multiply 4 by 300 and then do x by 15. You should end up with the equation 1200=15x.

Then solve the equation (see 2nd picture)and you get your answer as 80 column ads.

he can buy 4lbs. of live bait and 1lbs of natural bait

step-by-step explanation:

$655.61 which is option c

step-by-step explanation:

price of house =   $146,000

initial rate = 3.5%

mortgaged paid in this = 3.5 % of $146,000

                                        =

                                        =$5110

the total years would be = 7

total mortgaged paid = 7 * $5110

                                      =$35770

remaining money = $146000-35770

                                =$110230

new mortgaged payment = 5 % of 110230

                                            =  

                                            =$655.61