Answer:
5/8
Step-by-step explanation:
→ Work out how many red
8 - ( 2 + 1 + 2 ) = 3
→ Add up red and purple
3 + 2 = 5
→ Divide over total number of beads
5/8
30% is 24
45% is 36
take 15% and multiply it by however much it takes to make the percentage than multiply that by 12
V( cone ) = 21 cm³
note Vof cone =
V of cylinder
V ( cone ) =
× 63 = 21 cm³