Answer:
The cost price was 500.
Step-by-step explanation:
Let x be the original price.
What to numbers can add up to 30 but multiply to 40?
1 answer:
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The natural number , n is 30
<h3>How to determine the value</h3>
Given;
GCF(n, 70) = 10
LCM(n, 70) = 210
We have that;
LCM(A,B) x GCF(A, B)= A x B
Then,
(n, 70) = n × 70 = 70n
10 × 210 = 2100
Equate the two expressions
70n = 2100
n =
n =
Thus, the natural number , n is 30
Learn more about GCF and LCM here:
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