Answer:
Step-by-step explanation:
498/26 = 19 with a remainder of 3
so each group will have nineteen students but you need 22 more to make all groups have 20 students
498 + 22 = 520
520/26= 20
Answer:

Step-by-step explanation:
when adding logs, apply the log rule: 
∴ 
when subtracting logs, apply the log rule: 

Answer:
Step-by-step explanation:
here you go mate
step 1
x + 7 < 9 equation
step 2
x + 7 < 9 subtract -7
x+7(-7)<9(-7)
answer
x<2