Answer:
456
Step-by-step explanation:
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Lacey, because you have to do the opposite when you want to get rid of a number. She subtracted 20 because it was originally positive 20. Chris messed up and did not do the opposite, subtraction, and instead he added 20
Answer:
-3/2
Step-by-step explanation:
See attached image
Answer:
=
Step-by-step explanation:
75 divided by 100= .75
3 divided 4= .75
so they equal
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