In a recent year, a letter to Europe from the United States cost $0.94 to mail. A letter mailed within the United States costs $
0.44. Nancy mailed 5 letters for $3.70, some to Europe and some to the United States. How many letters did she send to Europe?
1 answer:
Answer:
She mailed 3 to Europe
Step-by-step explanation:
0.94 x 3=2.82
0.44 x 2=0.88
2.82 + 0.88=3.70
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I think number 1=209
number 2=120
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Step-by-step explanation:
x= 1st aircraft
y=2nd aircraft
z=3rd aircraft
x=y+89
y=z+31
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