Shania is making eight gift bags to give out to her friends coming over to her house for a movie night. Each gift bag will conta
in x nail polishes and a manicure kit. Including tax, each nail polish costs $2.50 and each manicure kit costs $4.00.
The following expression shows the amount of money Shania will spend on gift bags.
Which of the following descriptions are equivalent ways to write this problem?
Shania will spend 6.5x dollars on each of the eight gift bags, for a total of 52x dollars.
Shania will spend a total of 20x dollars on nail polish and a total of 32 dollars on manicure kits.
Shania will spend 2.5 dollars each on x nail polishes for eight gift bags and 4 dollars each on eight manicure kits.
Shania will spend x dollars each on 20 nail polishes and 4 dollars each on eight manicure kits.
The following expression shows the amount of money Shania will spend on gift bags.
Which of the following descriptions are equivalent ways to write this problem?
Shania will spend 6.5x dollars on each of the eight gift bags, for a total of 52x dollars.
Shania will spend a total of 20x dollars on nail polish and a total of 32 dollars on manicure kits.
Shania will spend 2.5 dollars each on x nail polishes for eight gift bags and 4 dollars each on eight manicure kits.
Shania will spend x dollars each on 20 nail polishes and 4 dollars each on eight manicure kits.
2 answers:
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Answer with Step-by-step explanation:
We are given that A, B and C are subsets of universal set U.
We have to prove that
Proof:
Let x
Then and
When then
but
Therefore, but
Hence, it is true.
Conversely , Let but
Then and
When then
Therefor,
Hence, the statement is true.