Answer:
9%
Step-by-step explanation:
10kg=R 20
5kg= R 15
??kg=R22
You add kgs it gives you 15kg and the and money it will give you R35 then
15kg=R35
???=R22
22/35×15 = 9,428571429
=9 %
Ok.... so the first part is asking you what the perimeter of the picture itself is.
The picture is 5in by 7in.... SO you add 5+5+7+7=24.... So the perimeter of the pic is 24 inches.
Now part b
So the frame is one inch thick
This mean that the sides are now 2 inches longeron each side
SO we have 7+7+9+9=32
So the perimeter is 32
I hope that helped!!!!! If you dont understand something ask and i will reexplain ;)
I believe the projected amount is 129.5 billion.
