It means you divide the first number of the problem by 7, then multiply that by 6. There is your answer.
principal(in terms of math)- the amount you borrow or deposit
HL in math mean hypotenuse leg
ask your math teacher
It
sum means the answer of a math problem
Model the math numbers hahaha.
bar modeling is math
A number? ^^
neither
the average
Dekagrams.
average