Adding and subtracting fractions

Brandon enters bike races. He bikes 9 1 2 miles every 1 2 hour.

A city lot has the shape of a right triangle whose hypotenuse is 8 ft longer than one of the other sides. The perimeter of the lot is 336 ft. How long is each side of the lot?

Calculator for substitution method

The members of the schools mathematics club shared equal amounts for a new digital light processing (DLP) projector amounting to php25000. If there have been 25 members more in the club each would have contributed php 50 less. A.

1.) how many boxes of tissues can you buy with $46.06 if one box costs $6.58? 2.) castle spent $38.64 on envelopes. If they cost $4.83/box, how many boxes did he buy?

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.