Answer:
24
Step-by-step explanation:
Here's how we construct the LCD:
Factor the denominators 6 and 8: 6 = 2*3 and 8 = 2*2*2
The LCD involves 2*2*2 as well as 3:
LCD: 2*2*2*3 = 24. Note that 24 is divisible by both 6 and 8. There is no smaller LCD that is divisible by 6 and 8 both.
She would have 6 or 7 lessons 130 divided by 20 = 6.5
44
Step-by-step explanation:
The line is pointing to 44 and the small lines are counting by two
The answer to your question is -10