When you a positive number from a negative number you can just add the numbers and make the sum negative. -23 - 7.2 is like -1(23 + 7.2). So the answer is -30.2, answer choice A.
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
As a salesperson you get $50/day and $3.60/each sales you make. if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.