Is 3/8 less than 11/12

A vendor sells hot dogs and bags of potato chips. a customer buys 2 hot dogs and 2 bags of potato chips for $6.50. another customer buys 5 hot dogs and 3 bags of potato chips for $14.25. find the cost of each item.

Each day at lunchtime at least 53 people buy food from a food truck. Write an inequality that represents this situation

Suppose a college student pays $500 for tuition fees. However, she also has to pay $350 for her textbooks (ouch!).

Simplify the ratio 40:16:80 - - : - - : - -

The sum of two numbers is at least 8, and the sum of one of the numbers and 3 times the second number is no more than 15.

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.