When one dna molecule is replicated to make two dna molecules, the new dna contains a. 25% of the parent dna. d. 50% of the parent dna. b. 75% of the parent dna. e. 100% of the parent dna. c. none of the parent dna?
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Ответ:
Ответ:
30
Step-by-step explanation:
Given the ratio 7 : 5
The 42 iPhones sold relates to the 7 part of the ratio.
Divide 42 by 7 to find the value of one part of the ratio.
42 ÷ 7 = 6 ← value of 1 part of the ratio, thus
5 parts = 5 × 6 = 30 ← number of Samsung phones sold