1. Dean Morimoto spends 1 hour 20 minutes get- ting ready for work each day. After leaving his
house he walks 10 minutes to a restaurant.
There he spends 30 minutes eating breakfast.
Then he walks 5 minutes to a bus stop where
he catches a bus for a 25-minute ride to work.
What time must he get up to reach his office
by 9 A. M.?

He needs to get up at 6:30 am.

Step-by-step explanation:

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b