$9.60 because 4 times 3 is 12 so that’s 12 pens right there in 3 groups of 4 which 2.25 is the cost for one romp so 2.25 times 3 is 6.75 and u need 15 so 15-12 is 3 so u need 3 more and one pen cost 0.95 times 3 is 2.85 so that plus 6.75 is your answer for your profit of $9.60
Answer:
7.7
Step-by-step explanation:
trust me, I solved it out
Answer: 
Step-by-step explanation:
Given
Elisa run a total of 
miles on Saturday and Sunday.
If she runs 
miles on Saturday
Then, distance traveled on Sunday is given by
formula = height = 12+10t
where t = number of weeks
so for t10
height = 12+10(10) = 12+100 = 112 cm
for t12
height = 12+10(12) = 12 +120 = 132 cm
