Li Na is going to plant 63 tomato plants and 81 rhubarb plants.
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?
Answers
Given : Lina is going to plant 63 tomato plants and 81 cabbage plants.
Lina would like to plant the plants in rows where each row has the same number of tomato plants and rhubarb plants.
To Find : What is the greatest number of rows Lina can plant
Solution:
To get the greatest number of rows Lina can plant she should plant 1 tomato / 1 rhubarb in each row
Hence greatest number of rows = 63 + 81 = 144
To find Least number of rows : or greatest plant in a row.
need to find first HCF of 63 and 81
63 = 7 * 9 , 81 = 9 * 9
HCF = 9
Hence 9 plants in a row
9 plants in a row is greatest
Number of rows = 63/9 + 81/9 = 7 + 9 = 16
Least number of rows : = 16
Each time Mariam goes to the store she plans to spend Rs. 30, and each time Sana goes to the store she plans to spend Rs. 50
LCM of 30 and 50 = 150
least possible number of times that Mariam has been to the store = 150/30 = 5
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Answer:
9
Step-by-step explanation
81 and 63 have the GCF 9. Since you want to find the greatest amount of rows you could have, you find the GCF and that is your answer.