You are correct with both
Answer:
14 boxes
Step-by-step explanation:
8 times 7=56 then 56 divided by 4 is 14
Answer:
Multiply/divide both sides by the same non-zero constant
Step-by-step explanation:
5x = 20
Divide each side by 5
5x/5 = 20/5
x = 4
Answer:
3 bookshelves.
Step-by-step explanation:
That would be 3 maths books and 3 reading books on 3 shelves.
Answer:
28 units
Step-by-step explanation:
Since, given triangles have same perimeters.

So perimeter of each triangle is 28 units