janiya666
29.09.2019 •
Mathematics
The johnston’s family plan to add a room to their house. the new 18’ x 20’ room will cost a average of $70 per square foot . the built in book shelves will cost $3,100 more what will be the total cost ?
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Ответ:
I think the answer is 28,300
Step-by-step explanation:
18x20 = 360 square feet
360x70= 25,200
25,200+3,100= 28,300
28,300 is your final answer!
Ответ:
19/20(100) = 1900/20 = 95 students
1/20(100) = 100/20 = 5 = teachers