It costs $ 2128 to install tile for dining room
It costs $ 1092 to install carpet in bedroom
Solution:
Given that,
Every 2 centimeters on a floor plan represents 1 meter of the house
1 meter = 2 centimeter
The dining room is 8 cm by 14 cm on the floor plan
Length = 8 cm
Width = 14 cm
The room is usually of shape rectangle
The area of rectangle is:
area = length x width

Thus area of dining room is 112

Convert centimeter to meter
From given statement in question,
1 meter = 2 centimeter


Thus area of dining room is 28 square meter
How much would it cost to install tile in the dining room ?
Installing tile cost $76 per square meter
cost per square meter = $ 76
Then cost of installing tile for 28 square meter is given as:
cost for
= 76 x 28 = 2128
Thus it costs $ 2128 to install tile for dining room
The bedroom is 7 cm by 12 cm on the floor plan
Area of bedroom is given as:

Thus area of bedroom is 84

Convert centimeter to meter:

Thus area of bedroom is

How much would it cost to install carpet in the bedroom ?
Installing carpet cost $52 per square meter
cost of carpet per square meter = $ 52
cost of 21 square meter = 52 x 21 = 1092
Thus it costs $ 1092 to install carpet in bedroom