7c. Consecutive and Mixture Problems

Question 1

Answer:

Answer 1

Question 2

How could you express the sum of 5 consecutive integers?

Answer 2

= x + (x+1) + (x+2) + (x+3) + (x+4)

= 5x + 10

Question 3

Answer:

Answer 3

Question 4

How could you express 5 EVEN consecutive integers?

Answer 4

Integer 1: x
Integer 2: (x + 2)
Integer 3: (x + 4)
Integer 4: (x + 6)
Integer 5: (x + 8)

Question 5

How could you express 5 ODD consecutive integers?

Answer 5

Integer 1: x
Integer 2: (x + 2)
Integer 3: (x + 4)
Integer 4: (x + 6)
Integer 5: (x + 8)

(SAME as even, if X is odd!!!)

Question 6

How could you express 3 consecutive multiples of 9?

Answer 6

Multiple 1: x
Multiple 2: x + 9
Multiple 3: x + 18

Question 7

What are the two types of mixture problems that you can get on the GMAT?

Answer 7

1) Dry mixture problems
2) Wet mixture problems

Question 8

What is the best way to solve dry mixture problems?

Answer 8

Use a matrix

Question 9

Answer and Explain:

Answer 9

If choc is x, then nuts must be (20 - x)

Question 10

Answer and Explain:

Answer 10

Question 11

Answer and Explain:

Answer 11

Question 12

How would you set up a matrix for a question where part of a solution is to be replaced?

Answer 12

Volume - r

Question 13

Answer and Explain:

Answer 13