He will need double the amount of what he would need for the one garden.
The union of a collection of sets is the set of all elements in the collection.
We have B = {a, l, g, e, b, r} and C = {m, y, t, h}
<h3>B ∪ C = {a, l, g, e, b, r, m, y, t, h}</h3>
Answer:
Im not 100% sure but i can tell you it is (D)
Step-by-step explanation: