Answer:
D
Step-by-step explanation:
Answer:
$500 is the original price
Step-by-step explanation:
0.6x = 300 Divide 0.6 on both sides
x = $500
7 because 7x3= 21 and 21 + the 7 cats comes to an equal 28
Answer:
C) At most one sample is mutated
Step-by-step explanation:
If there are 15 samples, it means that 15 is the total (100%) of samples. Then, if we know that there is a chance that 3% are mutated, then we calculate the 3% of 15:

This means that at most one sample is mutated, as this result is not zero (we discard answer A), and 0.45 is not more than half of the samples.