Answer:
We need to know the other marbles in the bag and how many there are of each.
Answer:
Kelly has read more of the book
It is 45% of 247 move the the decimal on the 45% two places to the right, then you should get .45. Of means multiply so .45*247 should get you the answer of 111.15 that's how you find the percent of this number. If you round the answer you would get 111 so about 111cars had a sunroof
2x(x+4)-1(x+4)
2x^2+8x-x-4
2x^2+7x-4