Question

find two consecutive integers whose sum is 67.

Which of the following equations could be used to solve the problem?
2x = 67
2x + 1 = 67
2x + 2 = 67
x2 + 1= 67

Answer 1

Let's call the unknown number 'x'. We know for 2 numbers to be consecutive, one has to be one more than the other (i.e. 4, and 5 are consecutive numbers, where 5 is 1 greater than 4). Therefore:

x + (x+1) = 67
^ ^ Integer 2
Integer 1

By simplifying, we get 2x + 1 = 67. Therefore, either "2x + 1 = 67" or "x2 + 1= 67" can be used.

Your answer by solving for 'x' would be:

2x=66
x=33
Therefore, (x+1)=34

Hence, the 2 consecutive integers are 33 and 34. When added together, they equal 67, and they are consecutive (34 is 1 larger than 33).

Answer 2

so would it be a. b. c. or d.

Answer 3

d i guess...

Answer 4

Yeah Or B both get you to the same spot