Question 5

If AB + C = D, find A and C given that when B = 6, D = 30 and when B = 8, D = 36.

Name: If AB + C = D, find A and C given that when B = 6, D = 30 and when B = 8, D = 36.
Uploaded: March 25, 2021, 9:43 a.m.
Duration: 1 min 10 s
Description: If AB + C = D, find A and C given that when B = 6, D = 30 and when B = 8, D = 36.

Solution

Given AB + C = D................................(1

If B = 6 and D = 30, then from (1),

6A + C = 30........................(2)

and If B = 8 and D = 36,

8A + C = 36........................(3)

(3)-(2) => 2A = 6

=> A= 3

Substituting the value of A in equation (2) we get,

18 + C = 30

=> C = 12.

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If AB + C = D, find A and C given that when B = 6, D = 30 and when B = 8, D = 36.

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