Victoria and Leila drove to the Las Cruces. Victoria drove 38 and 9/10 miles, then Leila drove 51 and 3/5 miles. What are the steps for finding out how far did they drove altogether?

a is the correct

here is a big fat

1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours