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c-30 and d-8 then 2c + 4d-

Sagot :

Answer:

92

Step-by-step explanation:

2c + 4d =

c = 30, so we substitute 30 for c in the expression 2c + 4d.

d = 8, so we substitute 8 for d in the expression 2c + 4d.

2c + 4d =

= 2 * 30 + 4 * 8

= 60 + 32

= 92