Evan has a gift card with a balance of $345.09. He used the card to buy a shirt for $17.97.
1 answer:
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Answer:
Step-by-step explanation:
Given
Let p represents the proportion of those who worry about identity theft;
Required
Mean of those who do not worry about identity theft
First, the proportion of those who do not worry, has to be calculated;
Represent this with q
In probability;
Make q the subject of formula
Substitute
Convert percentage to fraction
Now, the mean can be calculated using:
Where n represents the population
(Approximated)
Answer:
Students collected
pounds of paper;
pounds of cans;
pounds of paper and cans combined in September and October.
Step-by-step explanation:
In September, the students collected 85 pounds of paper and 18 pounds of cans to recycle.
In October, their goal is to collect three times the amount of paper and five times the amount of cans they collected in September.
Hence, in October they collected
pounds of paper;
pounds of cans.
In total, they collected