Question

RIta runs at a speed of 6km/hr for 25 minutes and at a speed of 4.5 km/hr for next 20 mins calculate the total distance covered by rita

Answer 1

Answer:

240km I think so. I learnt in 5 grade

Step-by-step explanation:

6 into 25= 150 km

4.5 into 20= 90

150 plus 90= 240

formula:

speed= distance/time

time= distance/speed

distance= speed into time

Answer 2

Answer:

value of power b-b will be something like this

b-b= -2-2

= -4

power of a

3-3=0