Answer:15x
Step-by-step explanation:you add 12 + 3 which equals 15 and then you just carry the x over
Distance traveled in 3 hrs was (speed in mph)(3 hrs)
Then s(3 hrs) + 12 mi = 132 mi.
Therefore, 3s = 120, and s = 120 miles / 3 hrs = 40 mph (answer)
Answer:
r= 10
Step-by-step explanation:
30 - 20 = 10
Answer:
10, it's 5 less than 5 times 3
Step-by-step explanation: