Final answer:
To find the number of plastic beads on clearance, multiply 70% by the total number of beads on clearance.
Step-by-step explanation:
To find the number of plastic beads on clearance at Jada's Beading Boutique, we need to calculate 70% of the total number of beads on clearance.
First, we can calculate 70% of 30 by multiplying 0.70 by 30, which gives us 21. So, there are 21 plastic beads on clearance.