Well pick an answer and press submit
63+12x<15
12x<-48 (subtract 63 from both sides)
x<-4 (divide out the 12)
Answer: 21$ that is the answer
Step-by-step explanation:
To solve this problem we can make a proportion.
6 5
-- = ---
10 x
to solve this proportion we can cross multiply and divide.
5 times 10 is 50. divided by 6 is 8.3
it will take her 8.3 minutes to run 5 laps