Answer:
Answer:
The width of bookcase D is 61 cm
The width of bookcase E is 61 cm
Step-by-step explanation:
see the attached figure to better understand the problem
step 1
Sum the widths of the three bookcases A, B and C
step 2
Subtract the sum of the three bookcases A,B and C from the total length of the wall
step 3
Divide that answer in step 2 by 2, and that will let you know the widths of D and E, because they may have equal widths
therefore
The width of bookcase D is 61 cm
The width of bookcase E is 61 cm
Answer:
123 ÷ 4 and 1,230 ÷ 40
Step-by-step explanation:
12.3/0.4 = 30.75
both of those division problems equal 30.75!! :)
6 and 7 is the correct answer
Well if C=1.3m , we substitue 18 into M and get C=1.3(18)= 234
so 234cm
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