Three thousand dollars are invested in an account paying 6% interest, and half that amount is invested at 4%. which of the following expressions represents the amount of interest earned on the money invested at 4%?
0.04(1,500)
0.04(3,000)
0.02(3,000)
4(1,500)

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Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

What does x = in this equation x+3+2x=x+5