WILL GIVE 5 STARS, THANKS, AND BRAINLIEST!!!!! 20 POINTS!!!!!!

1. The ratio between the number of red, green and blue marbles in a box is 2:6:5. How many marbles are in the box if there are 20 fewer red marbles than green marbles?

2. Mr. Smith drove for 45 minutes at a speed of 40 km/h. He stopped for 15 minutes for a coffee break and then he drove for 2 hours at a speed of 75 km/h. What was his average speed for the entire journey?

Answer how many you want, but please help!!!!