Answer:
Miguel and Grace have collected 7 coins each week.
Answer:
100 miles
Step-by-step explanation:
Relative Speed: 60+40=100 mph
you can think that one train is stationary,another one is 100 mph
so one hour before the train pass each other,the distance is 100 miles
Answer:
for store a 260 + 20 times x and then store b 140 + 30 times x
Step-by-step explanation: