The class average for the first social studies test in hannah's class is 85%. a total of 23 students took the test. when the 24 students join the class and took the same test, the class average went up to 85.5%. what grade did the new student earn on the exam?

since proposition states that a number is greater than 25, if is true then the number must actually be greater than 25.

this implies that all possible options, except 24, can be accepted

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

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.

if you need just tell me and i will come to the rescue.

step-by-step explanation: