Melanie spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -14.4°F. Between 9am and noon, the temperature increased by 14°F. Between noon and 3pm, the temperature increased by 18.3°F. Between 3pm and 6pm, the temperature went down 2.1°F. What was the temperature at 6pm?

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

you'll just earn points here

step-by-step explanation:

i have no idea just need points sorry

step-by-step explanation: