D + 3r = 15
d = r + 3
r + 3 + 3r = 15
4r + 3 = 15
4r = 15 - 3
4r = 12
r = 12/4
r = 3 ....he bought 3 roses, at $ 3 per rose = $ 9 <==
d = r + 3
d = 3 + 3
d = 6....he bought 6 daisies, at $ 1 per daisy = $ 6
I think the answer is 504
hope this helps can i plz get brainliest
Well you want to do 7.8 divided by 2 which is 3.9. Then you add that to 7.8 to signify that is it 1 1/2 which is 11.7. You subtract that from 60 and you get 48.3 and that is your answer
Answer:
Step-by-step explanation:
Eliminate the equal sides of each equation and combine.
Solve for 
.
Evaluate 
when .
Ehhh i dont get it either im sorry. the wording of these problems makes the question harder than the actual equations
