5
...........................
Answer:
Best Buy 30% of 379.99=113.99
379.99-113.99=$266.00
Costco 15% 409.99=61.50
409.99-61.50=348.49
Target 25% of 399.99=99.99
399.99-99.99=300
Best Buy has the best offer.
Step-by-step explanation:
A=(a+b)*h*1/2=(20+8)*7*1/2=49 m2
V=A*H=49*2=98 m3
There must be more students in the class, and most of the class must have scored lower then Paul and his friends. I could be wrong, but I hope this helps! :D