Answer:
So 400 stamps
African---> 100
Indian------> 1/10 x 400
= 40
European---> 400-40=360
1/3 x 360
= 120
so 120+40+100= 260
400-260
= 140 stams from US
Recycling saves trees
Walkway is 1.5 units²
Step-by-step explanation:
Just subtract the area of the garden from the combined area:
<u>5.5-4=1.5</u>
Also did you mean difference? I don't know what it means by sum.
the answer is the same