Bethany sells roses and petunias. the expression 3r plus 2.5p gives the cost (in dollars) of r roses and p petunias. what is the cost of 7 roses and 8 petunias

The total cost is $41.

Step-by-step explanation:

The given expression is :

Now we know that the roses are represented by = r

And the petunias are represented by = p

So, we can say that each rose costs $3 (3r) and each petunia cost $2.5 (2.5p)

So, we can now find the total value of 7 roses and 8 petunias.

Cost of 1 rose = $3

Cost of 7 roses is =

Cost of 1 petunia is = $2.5

Cost of 8 petunias is =

Total cost of the flowers = = $41.

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answer: about 22.67

step-by-step explanation: