She would need about 6 bags because 7*3=21 6+3=18 so about 6 bags
Answer:
102.3 kilometers per hour
Step-by-step explanation:
A car travel the distance of D equals 450 km for T equals 4.4 hours at a constant rate. What is the speed of the car in kilometers per hour
The formula to calculate Speed = Distance (Kilometers)/ Time(hours)
The speed of the car = 450km/4.4 hours
102.27272727 kilometers per hour
Approximately = 102.3 kilometers per hour
Answer is D.x=9
5x+3+6x+5+8x+1=180
now solve for 'x'
Hope this help