How do i find the simple interest 1,200, 3.9% 6 months

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

final total: 63

step-by-step explanation:

60 times sales tax

60 times 0.05

3

60 + 3

63