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ovebrown
14.02.2021 •
Mathematics
1. Jamie purchases gifts for three friends. She chooses a book for $12.80 and then finds two identical necklaces. Her budget is $48 before tax. What is the maximum she can spend on each necklace?
2. The school PTA is sponsoring a dance. They decide to price student tickets at $6. It will cost the PTA $250 to put on the dance. How many tickets will the PTA need to sell in order to make a profit?
3. A wedding venue holds no more than 485 guests. If 319 people have said they are attending, how many more people does the venue have room for?
4. A conference is ordering gift bags for each attendee. The cost will be $14.50 per bag plus an $80 set-up fee. If the total exceeds $500 there is a discount. How many gift bags must the conference order to receive the discount? Write and solve an inequality.
5. A taxi cab charges $3 per person plus $1.25 per mile. What is the greatest distance one passenger could travel with a budget of $28? Write and solve an inequality.
6. A 15-passenger van is rented for a family vacation. The van rental is 460 per day, plus a $145 insurance fee. How many days can the van be rented if they want to spend no more than $625 on the van rental. Write and solve an inequality.
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Ответ:
Step-by-step explanation:
1.
(48 - 12.80)/2 = $17.62.
250/6 ≈ 42 and more3.
485 - 319 = 166 more people4.
14.5x + 80 > 50014.5x > 420x > 420/14.5x > 295.
1.25x + 3 ≤ 281.25x ≤ 25x ≤ 25/1.25x ≤ 20 miles6. This seems a typo... 460 is likely $60
60x + 145 ≤ 62560x ≤ 625 - 14560x ≤ 480x ≤ 480/60x ≤ 8 daysОтвет: