Question

the temperature at 1.00pm was 10c above zero if it decreases at the rate of 2c per hour until 10pm at what time would the temperature be 6c below zero ​

Answer 1

Answer:

at 10pm

Step-by-step explanation:

from 1.00pm to 10.00pm there is 9 hours.

the rate of decreasing temp. is 2c per hour

then after 9 hours 9×2=18c will decrease

at 9.00pm the temp. would be -6c &

at 10.00pm the temp. would be -8c