Answer:
x=-2
Step-by-step explanation:
hope it helps you......................
Speed = Distance ÷ Time
time = distance ÷ speed
248 ÷ 55 * 60 = 270.54 minutes
4×30+5×30=120+150=270
looking at the last row, we can see that the total number of students will be 4×30+5×30=120+150=270
Answer:5
