The diagram shows the floor plan of a hotel lobby. carpet costs $3 per square foot. how much will it cost to carpet the lobby?

It will cost $ 3348 to carpet the lobby.

Step-by-step explanation:

Refer the attached figure

AB divides the figure into two congruent trapezium

Height of trapezium = 15.5 feet

Parallel sides = 30 feet and 42 feet

Area of one trapezium =

Area of one trapezium =

                                      =

So, Area of both trapeziums =

So, Total Area of the floor is 1116 sq.feet.

Cost of carpet of 1 sq.ft. = $3

Cost of carpet of 1116 sq.ft. =

Hence it will cost $ 3348 to carpet the lobby.

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.

english, cause i can’t you