Answer:
70percent =42
100percent ×42 ÷70
100/7×42
10/7×42=60
therefore the original cost was $60
So a²+b²=c²
8²+15²=c²
64+225=c²
289=c²
±17=c
So c=17 or c=-17
Answer:
I would say either A or C
Step-by-step explanation:
because when you distribute both they both come out to be 24j - 16