The elephant grass will grow 105/4 inches in 7 days
The elephant grass grows 3 3/4 inches in a day
The number of inches it can grow in 7 hours can be calculated as follows
15/4= 1
x= 7
cross multiply both sides
x= 15/4 × 7
x= 105/4
Hence the elephant grass will grow 105/4 inches in 7 days
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