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Sergeeva-Olga [200]
3 years ago
13

The highest common factor (HCF) of 140 and x is 20

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
5 0

Answer:

x=60

Step-by-step explanation:

Given that ,

HCF of 140 and x=20,

LCM of 140 and x =420.

Solution:

It is known that the product of two numbers is equal to the product of their HCF and LCM, i-e:

140*x= HCF*LCM

Putting in the values provided,

140*x=20*420

140*x=8400

x=8400/140

x=60

Hence the variable x is 60.

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