algebra 1
posted by Anonymous .
a tree i planted a week ago has grown 6 inches. it was 1 foot tall when it was planted. if it continues at the same rates, how tall will it be 56 days from now?

in 7 days 1.5 times original
56/7 = grew 8 times after reaching 1.5 feet
1 .5 foot * 1.5^8 = 38.4 feet