laura wrote a 3-digit number. she doubled it, added 150, divided by 100, and added 6. her final result was 10. what number did l
aura write?
2 answers:
Answer:
125
Step-by-step explanation:
start with 10, and go backwards
10-6=4 4x100=400 400-150=250 250/2=125
checked answer:
125x2=250 250+150=400 400/100=4 4+6=10
Answer:
126
Step-by-step explanation:
It's 125
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