Answer: P= 80 feet, A= 360 feet
Step-by-step explanation:
Permimeter= 20+20+8+17+15
= 80 feet
Area of Trapezium= 1/2*h*(b1+b2)
= 1/2*15(28+20)
= 360 feet square
Answer:
0 and -2
Step-by-step explanation:
Let's use the variable n for time (in hours)
70n + 80n = 270
150n = 270
n = 1.8
It will take 1.8 hours, or 1 hour and 48 minutes