The phrase "have the same age" is correct and usable in written English.
It could be used when two people are the same age. For example: "My sister and I have the same age."
For an isochron to be valid, each sample tested must (1) have had the same initial ratio, (2) have been a closed system over geologic time, and (3) have the same age.
In whole rock isochron methods that make use of the rubidium strontium or samarium neodymium decay schemes (see below), a series of rocks or minerals are chosen that can be assumed to have the same age and identical abundances of their initial isotopic ratios.
It should be noted that not all countries have the same age restrictions.
The food crusts have the same age as the terrestrial samples or are slightly older.
In terms of years, different candidates to the same offer all have the same age.
Thus, NPD ointment does not seem to have the same age- or gender-dependent risk factors when compared to neomycin alone.
To make the simulation more realistic, we differentiate both population density and mobility behavior in different age groups, to include the effect, that not all districts of a city have the same age-distribution.
Finally, the time young women spend on domestic activities depends on the number of siblings having the same age.
Following this interpretation, the K horizon was created by the intrusion and has the same age and (roughly) the same depth as the intrusion.
