Answer:8
Step by step explanation
So we calculate the range by subtracting the highest score by the lowest score.
In this case the highest score is twelve.
Whereas, the lowest score is four
Then, we minus twelve by four to get an answer of eight
Answer:
1/25
Step-by-step explanation:
At the start there is a 4/20 (1/5) chance of drawing a blue marble. After putting the marble back in the bag, there is again a 1/5 chance of drawing a blue marble again. To calculate the overall probability, you must multiply the two numbers together: 1/5 x 1/5 = 1/25.
Answer:
52
Step-by-step explanation:
We can find the percent of a number by converting the percent to a decimal.
65%=0.65
80(0.65)=52
Answer:
152.4
Step-by-step explanation:
60 * 2 then 60 * 0.5 then 60 * 0.04
120 + 30 + 2.4
Answer:
D
Step-by-step explanation:
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