The answer is 6:15 or 6/15
You have to combine liked terms. the answer is -5x- -1, which is essentially -5x+1 because two negative is a positive
.78 is the answer since the 7 is in the 10ths place, and the 8 is in the hundreths place, so you stop rounding at the 8! Also, since the 1 is not greater than 5, then you don't need to round up.
.91 times 4000=3640 people prefer Pedro’s
4000-3640= 360 people prefer other brands