Well he wants to buy 100 blue balloons so that would cost 100*0.6. The cost of white balloons(because they are half off) are w*0.3. He has a total of 150 dollars to we get 100*0.6+w*0.3=150 or 60+0.3w=150
Thus we get c
Answer: 36 square feet
Step-by-step explanation:
Step-by-step explanation:
A={6,9,11},B=ϕ
Here, B is empty set.
Therefore,
A∪B
=A∪ϕ
={6,9,11}
A intersection ϕ is ϕ I guess
Answer:
38.4 miles
Step-by-step explanation:
3.3 + 7.7 + 5.9 + 16.1 + 5.4 = 38.4
