20% of $3.95 is 0.79. add 0.79 onto the original price of $3.95 to get the new price of $4.74
Answer: 5/8 of a teaspoon of salt
Step-by-step explanation:
half of 1 is 1/2 or 4/8
half of 1/4 is 1/8
4/8 + 1/8 = 5/8
Answer:
0.84 = 84% probability that the calculator has a good case and good batteries.
Step-by-step explanation:
We have these following percentages:
8% of a certain batch of calculators have a defective case.
11 % have defective batteries.
3% have both a defective case and defective batteries.
Using Venn Diagrams:
Event A: Defective Case
Event B: Defecitve Battery
So the probabilities are:
Probability of at least one problem:
Find the probability that the calculator has a good case and good batteries.
No problems, so
0.84 = 84% probability that the calculator has a good case and good batteries.
Answer:
- the multiplication of negative three and a negative seven
- negative three multiplied by negative seven
Step-by-step explanation: