Answer:
The original price was $30
Step-by-step explanation:
50% of 30 is 15
345678
wedfrghjn rer5t6yhb cdertyhujmn cfghjmn b
a=(d-c)/b
Subtract c from both sides:
ab+c−c=d−c
∴ab=d−c
Divide both sides by b
ab/b=d−c/b
so the answer is... a=(d-c)/b
Answer: 24
Step-by-step explanation: your welcome
2
I think is C 19x2+20y+16