To convert 135 minutes into hours, which ratio could you multiply by? remember the 1 hour = 60 minutes

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft

What is the value of x? enter your answer in the box.