Home › Questions › Suppose you have 30 CDs. You...
... equation to find the number of CDs your friend has.
A. n – 11 = 30; 41
B. 30 + n = 11; –19
C. 30 + 11 = n; 41
D. n + 11 = 30; 19
The answer is D
n + 11 = 30
n = 30 - 11
n = 19
The Answer is D
Let n be the no.of CD's of friend have.
so n+11=30 n=30-11=19
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