The expression equivalent to 16a + 24b is 8(2a + 3b).
In order to determine which expression is equivalent, the expression has to be simplified. To do this, divide the two terms, by factors of both terms.
The factors of a number are numbers that divide the original number evenly.
Factors of 16 and 24 = 1, 2, 4, 6, 8
The expressions could be:
2(8a + 12b)
4(4a + 6b)
To learn more about mathematical expressions, please check: https://brainly.com/question/11980704