Question

plz help me plz its very important​

Answer 1

Answer:

6-10 o clock

4 hours

30 km/h

so 120 kms

6-8

2hours

20 km/h

travelled 40 kms

remaining is 80

8-10 2 hours

80/2 =40

so speed of car is 40 km /h

next

time 72 sec

distance 1800 m

1800/72 = 25

speed 25 m /s

convert to km per hour

1.8 km

0.02 hours

so 1.8/0.02

=90

SPEED =90 km per hour

next

8000 +watch = 8000 +18*2 %

8000*18*2/100

2820 +8000 = final amount

watch's cost =2820

bro sorry only answered 3 questions

i dont have time i gotta go to school