The answer to your question is -10
It cost $156.40 because 20% of 195.50 is $39.10 so you subtract that from the 195.50.
Given that Lana received 18 ounces of candy and Tom received 4 times as much candy as Lana received, then the number of candy Tom received is given by 4(18) = 72.
Now, given that Tom divided his candy evenly into 9 piles. Then the number of ounces of candy in each of Tom's piles is given by:
72/9 = 8 ounces.
Answer:
the first one has one solution because eventually they will cross
