-5 This is the answer with the work
23
-28
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-5
1600(-400)= f is the y axis and -400 because its taking money from his account
120/4 is 30
You'll be able to put 4 nails thirty times.
You put them every 6 feet
So, you have 5 feet before running out.
1 ounce, 10 ounces, 1 pound.
1 pound = 16 ounces
