Answer:
<u>109.26: </u>decimal
<u>5469/50: </u>reduced fraction
140 is 120% of what number? <u>116.67</u>
What percent of the production is defective? <u>0.6%</u>
Step-by-step explanation:
For the first one, we know that 1214 is 100%, so we apply the rule of three to find 9% of the sample:
Now, to find the reduced fraction we operate with the decimal and then we reduce the resulting fraction:
For the second exercise we proceed, again, with the rule of three:
For the third question, we will apply the rule of three again: