1000
It ends in a 5, so it is rounded up to 950.
800
39% of 945 = 39% * 945 = 0.39 * 945 = 368.55
1 and 945
45
945
945-666 = 279
840 and 945 have a GCF of 105. 945 and 1050 have a GCF of 105.
LCM(3, 27, 35) = 945
578 + 945 = 1523
If we are rounding to the nearest thousand, a whole number wouldn't round to 900.