SOLUTION: The last time Carolina visited the post office, she spent $4.49 to mail letters and packages. Each letter cost $0.37 to mail, while each package cost $0.88 to mail. If she sent two

Question 1072921: The last time Carolina visited the post office, she spent $4.49 to mail letters and packages. Each letter cost $0.37 to mail, while each package cost $0.88 to mail. If she sent two more letters than packages, how many letters did she mail?

Found 2 solutions by addingup, MaxWong:
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
l = p+2
0.37l+0.88p = 4.49
substitute for l:
0.37(p+2)+0.88p = 4.49
0.37p+0.74+0.88p = 4.49
add p on left and subtract 0.74 from both sides
1.25p = 3.75 divide both sides by 1.25
p = 3
l = 3+2 = 5
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Check
3 x 0.88 + 5 x 0.37 = 4.49 Correct
:
Happy learning,
John

Answer by MaxWong(38) (Show Source): You can put this solution on YOUR website!
Let be the number of letters mailed.

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