If the world population at the beginning of 2008 was 6.7 billion and growing at a rate of 1.16%
each year, in what year will the population be double(13.4 billion)?

50 min

step-by-step explanation:

they will be decreasing both their times in half

60 / 2 = 30

40/2 = 20

30 + 20 = 50

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce