400=220(1.03)^t
1.8181=1.03^t
ln 1.8181=ln 1.03^t=t ln 1.03
ln 1.8181/ln 1.03=t
t=20.225 years
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3/4 of the juice from a 2 L bottle is 1.5 L.
There is only half a litre left after the party.
Answer: option A, 3x + 5
first, i rewrote it and removed the parentheses.
2x - 4 + x + 9
then, i collected the like terms.
3x + 5
A desk costs $44, but they boost the price 150%

They are selling it at $66 (selling price)
Since Michelle sold it at $66 and she earns 20% on the selling price as commission, then it is simply

That should be the commision amount michelle earns
The answer would be 480 and because you multiply 30 times 12 you will get 360 and then you add that to the money he already has which is 120 so the total amount is 480