Li Na is going to plant 63 tomato plants and 81 rhubarb plants.

Question

Li Na would like to plant the plants in rows where each row has the same number of tomato plants and each row has the same number of rhubarb plants. What is the greatest number of rows Li Na can plant?

Answer 1

63t + 81r

each put it rows where each row has the same number of t's and r's

63=9x7

81=9x9

total = 63+81= 144

9 rows of 16, with each row 7 tomatoes and 9 rhubarbs

16x 9 = 144