The way you set the question up is confusing
80-29.66=?
?/8.39 and when u solve 80-29.66 then you divide that by 8.39
Answer:
Stuck on it to
Step-by-step explanation:
Answer:
78 books
Step-by-step explanation:
Use proportion: If 52 is 2/3 of the books then number of books shipped = 52 * the inverse of 2/3 which is 52 * 3/2:-
52 * 3/2
= 156/2
= 78 books
Ashley's method is the exact definition of the square root, so it is correct.
Brandon's method is incorrect: dividing by 2 and taking the square root and completely different operations, and it would only work in this special case.
For example, the square root of 9 is 3, but 9/2=4.5.
Similarly, the square root of 16 is 4, but 16/2=8, and so on.
You can try any other couple, it will never work.