Valrom
11.04.2020 •
Mathematics
Maya and Mabel are inspecting an 80:1 scale floor plan of their new house. The dimensions of the living room on the scaled floor plan are 1- 7/8 inches by 2- 1/2 inches. What is the area of their real living room in square feet?
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Ответ:
208 ⅓ ft²
Step-by-step explanation:
1⅞ = 15/8 inches ÷ 12
= 5/32 feet on map
Actual = 5/32 × 80
= 25/2 feet
2½ = 5/2 inches ÷ 12
= 5/24 feet on map
Actual = 5/24 × 80 = 50/3
Actual area:
25/2 × 50/3
= 625/3 ft²
= 208 ⅓ ft²
Ответ:
Option A
Step-by-step explanation:
6x - 12 > -6
6x > 6
x > 1