First and 2nd question is easier. 1) What is 3% of 0.80 and what is 7% of 0.40
2) what is 90$ of 3 and what is 40% of 24

3% of 0.80 = 0.024

7% of 0.40 = 0.028

90% of 3 = 2.7

40% of 24 = 9.6

Step-by-step explanation:

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.

24+x=y

step-by-step explanation: