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4. you got this one correctly
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am going to number 10
10.

9. 16 oz bottles at 1.25 dollars is cheaper than 20 bottles at 1.55 dollars so that 16 bottles is the best to buy
Answer:
40
Step-by-step explanation:
if you used cross products you'd pair 8 with 100 and n with 20
That written out would be 8(100)=20n
8(100)=800
800=20n
Divide on both sides
800/20=40
20/20 (cancels out)
Therefore n=40
Answer:
35
Step-by-step explanation:
Answer:
80
Step-by-step explanation:
40 x 2 = 80 :)
The answer is B: 2x+22
3x+10-x+12
=3x-x+10+12
=2x+22