Need some math assistance please!!! Thank you?

Question

1.) Alvin, Betina, and Chang either play tennis, soccer, or racquetball. Alvin plays a sport that does not require a racquet. Chang does not play raquetball. Who plays which sport

2.) A marine biologist tags 100 whales. Later, a sample of 115 whales was gathered and 5 were tagged. Estimate the total whale population

Use a proportion to estimate each population

3.) total elk counted: 12

tagged elk counted: 8

total elk tagged: 38

4.) total coyote counted: 350

tagged coyote counted: 124

total coyote tagged: 500

5.) Four students ran a race. Thomas placed before Terry, but after Troy. Terry placed before Ted. How did the runners place from first to last

Thanks to all who offer help ..... these are mostly easy for most, Im math disabled.

Answer 1

(1)Chang - soccer Alvin - Raquetball  Betina - Tennis

(2)2300

(5)Ted, Terry, Thomas, Troy

Answer 2

Some of these aren't so much math problems as logic and/or ratio problems.  However, I really do believe you should have asked this in Homework Help, not Trivia.

1. The only sport that doesn't use a racquet is soccer, so that has to be what Alvin plays.  Chang doesn't play racquetball, so that only leaves tennis.  That means Betina must play racquetball.

2.  This is a ratio, which can be solved by cross-multiplying.  If 5 of the 115 whales showed up, then 100 will give you x whales. 5 over 115 = 100 over x.  Solve for x.

3. Same logic as #2.

4. Same logic as #2.

5. If Thomas placed before Terry but after Troy, then the order is, so far,

Troy, Thomas,  Terry.

Since Terry placed before Ted, that means Ted was last.  The final order, from first to last, is:

Troy, Thomas, Terry, Ted.

Hope that helps!