She needs 4 packs and she will then have a spare 3
116 , <span><span>(4 * 25) + ( 4 * 4 )
</span>4 x (25 + 4)
4 * 25
4 * 4
(4 * 25) + ( 4 * 4 ) = Distributive Property
</span><span><span>4 * 25 = 100
4 * 4 = 16</span>
100 + 16 = 116
</span>
Answer:
3. The amount of wallpaper for a wall in a bedroom
Step-by-step explanation:
1. The number of towels I can fit in a bathroom cabinet
<em>No, sounds more like volume, since a cabinet has space inside.</em>
2. The amount of ribbon used to decorate from one end of a room to the another
<em>No, sounds like perimeter, since a ribbon would need to cover space in one direction.
</em>3. The amount of wallpaper for a wall in a bedroom
<em>Yes, wallpaper is applied in 2 directions and lays flat on a surface to cover a certain area.</em>
no, the angles in triangles have to add up to 180 deg. but this adds up to 190