I am subtracting the amount it took to make the phone, from the amount they sell the phone to a customer for.
115-(30+20)=x
115-50=x
65=x
Answer:
16 hrs
Step-by-step explanation:
per hour she gets 72.50 / 5 or 14.50
so t * 14.5 = 232
t = 232 / 14.5
t = 16 hours
Answer:
25 mins
Step-by-step explanation:
add both then divide by 2