Carl is the owner of a shoe store and notices that his electricity bill has increased by 3%. Which of the expressions below represent a 3% increase? a+0.03a
a+0.3a
1.03a
1.3a
A.
expressions 2 and 4

B.
expression 1 only

C.
expression 2 only

D.
expressions 1 and 3

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?