If elephant grass grows 3 1/4 inches a day what will it be in 7 days

First multiply 3 times 7. 3*7=21. Now we have to multiply 1/4 by 7. (1/4) * 7 = (7/4) = 1 and 3/4. Now we simply add the two together. 21+1 + (3/4) = 22 and 3/4 inches. This can be written as a decimal like 22.75 inches