Answer:
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Step-by-step explanation:
Answer:
A book is worth $1 and a DVD is worth $12.
Step-by-step explanation:
The equations (2 unknowns and two equations, d is for a DVD and b is for a book):
For David: 3d+4b=40
For Anna: d+6b=18
Now multiply the second equation with -3 and add to the first equation:
3d+4b=40
−3d−18b=−54
Combined equation: −14b=−14 and b=1 (means that each book is worth $1).
Now for DVD price, use the second equation:
d=18−6 or d=12 (means that each DVD is worth $12).
A book is worth $1 and a DVD is worth $12.
Answer:
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1 in = 2 ft
20.5 ft = 10.25 in
25 ft = 17.5 in
8.5 in and 11 in. no, the drawing will not fit, because the proportions is larger than 8.5 in and 11 in.
hope this helps
Imma say i just took like 15 min doing this so when i did q20 d28 n36 i got 9.60 but when i did q19 d26 n34 i got 9.05 so pick your choice
