Is 1/2 a rational number

What value of x makes this question true - 3/2x+1=x+7

Ed and his family went on a backpacking trip. They started hiking at 3:35 P. M. It took 3 hours and 15 minutes to reach their campsite. After they arrived, it took 1 hour and 25 minutes to set up the campsite.

The difference between n and the number 8 is 42. what represents this statement

450$ phone and there is a discount of 40% and 8% of sale tax

Paul owns a mobile wood-fired pizza oven operation. A couple of his clients complained about his dough at a recent catering, so he changed his dough to a newer product. Using the old dough, there were 6 complaints out of 385 pizzas.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.