Question

Evaluate the algebraic expression u + r - s when r = 13, s = 10, t = 7 and u = 15.

A. 12
B. 18
C. 22
D. 38

Answer 1

19

Explanation:

Plug in all the values

16 + 13 -10 = 19

Answer 2

B

Explanation:

15+13-10=18