It can be helpful to use a common denominator for comparison. That denominator can be 100, meaning we can make them all decimal fractions. Approximate (2 digit) values are good enough for the purpose.

2/3 ≈ 0.67 . . . . left end of the range

7/9 ≈ 0.78 . . . . right end of the range

3/5 = 0.60

6/9 ≈ 0.67 . . . . = 2/3, so is not greater than 2/3

3/4 = 0.75

6/7 ≈ 0.86

The only decimal value between 0.67 and 0.78 is 0.75, corresponding to the fraction 3/4.

2/3 < 3/4 < 7/9

5 0

3 years ago

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Phil’s age is 7 years more than times Peter’s age. Also, 4 times Phil’s age is 2 years less than twice Peter’s age. If x is Pete

Alchen [17]

Answer:

simultaneous equations

Step-by-step explanation:

phils age =7x

Peter age=x

scenario 2

phils age = 4(7x)

Peter age= 2x-2

$7x + x = 4(7x) + 2x - 2$

7 0

3 years ago