Question

12. A office building has 80 floors. Each floor has 45 windows. Each window is decorated with 25 bulbs. How many bulbs would be needed to decorate all the window? (a) 9000 (b) 70000 (c) 9000 (d) 90.000 ​

Answer 1

Answer:

90000

Step-by-step explanation:

GIVEN THAT

NUMBER OF FLOORS =80

NUMBER OF WINDOWS IN EACH FLOOR=45

EACH WINDOW HAS =25 BULBS

TOTAL NUMBER OF BULBS =?

NUMBER OF BULBS IN EACH FLOOR =45×25=1125

NUMBER OF BULBS IN WHOLE BUILDING =-1125×80=90000

Answer 2

Answer:

$\blue{Number \: of \: floor \: a \: office \: building \: have = 80 }\\ \blue{Number \: of \: windows \: each \: floor \:have = 45 }\\ \blue{Total \: number \: of \: window \: 80 \: floor \: have }\\ \blue{= 80 \times 45} \\ \blue{ = 3600} \\ \blue{Number \: of \: bulb \: each \: window \: decorated \: with = 25} \\ \blue{Total \: number \: of \: bulb \: 3600 \: windows \:decorated \: with } \\ \blue{ = 3600 \times 25} \\ \blue{ = 90000} \\ \\ \red{\mathfrak{\underline{\large{Hope \: It \: Helps \: You }}}} \\ \green{\mathfrak{\underline{\large{Mark \: Me \: Brainliest}}}}$