2/3=.6 repeating
12/.6 repeating = 18
13 balls of yarn would be used to make 18 scarves.
Answer:
63 interest per year
Step-by-step explanation:
If one year is 7% then you want to do
7x9
7x9=63 interest per year
Answer:
x = 9
Step-by-step explanation:
1/4(8x+12) =21
1/4 * 8x = 2x
1/4 * 12 = 3
2x + 3 = 21
21 - 3 = 18
2x = 18
18/2 = 9
x = 9
Clue: The angle subtended at the centre of a circle is twice that subtended at its arc.
