Mathematics, 13.03.2021 03:10, princess239
A survey of 60 customers was taken at a bookstore regarding the types of books purchased. The survey found that 36 customers purchased mysteries, 30 purchased
science fiction, 23 purchased romance novels, 17 purchased mysteries and science fiction, 13 purchased mysteries and romance novels, 10 purchased science fiction
and romance novels, and 6 purchased all three types of books.
a) How many of the customers surveyed purchased only mysteries?
b) How many purchased mysteries and science fiction, but not romance novels?
c) How many purchased mysteries or science fiction?
d) How many purchased mysteries or science fiction, but not romance novels?
e) How many purchased exactly two types of books?
Answers: 2
Mathematics, 20.06.2019 18:04, connermichaela
For each expression use a property to write an equivalent expression.
Answers: 1
Mathematics, 21.06.2019 16:20, hann647
Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants
Answers: 1
A survey of 60 customers was taken at a bookstore regarding the types of books purchased. The survey...
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