Answer:
270
Step-by-step explanation:
becasue 100 percent of 90 would be 90

so multiply

Step-by-step explanation:
150/1800
=12
he must work 12 hours to earn rs.1800
mark me as brainliest if this helps to u
Answer:
no, 72 km/hr is equal to 20m per sec
Step-by-step explanation:
20 m = .02 km
.02 km per hour is equal to .02(3600) per hour, which is 72 km per hour
(you have to multiply my 3600 to get seconds into hours)