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Ne4ueva [31]
3 years ago
5

The events committee buys 100 flowers for a school dance. The flowers are a combination of carnations and roses. Each carnation

costs $0.75, and each rose costs $2.75. The committee spends a total of $139, not including tax.
How many of each type of flower does the committee buy?
Mathematics
1 answer:
grandymaker [24]3 years ago
4 0

Answer:

66 carnations and 34 roses

Step-by-step explanation:

.75x + 2.75y = 139

x+ y = 100

im not smart but bear with me:

rewrite the 2nd equation:

x=-y+100

.75(-y+100)+2.75y=139

-.75y+2.75=139-75

2y=64

y=34 ; now substitute this into out 2nd equation

x+y=100

x+ (34) =100

x=100-34

x=66

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