Asked by jojo

Susan's math teacher assigned x homework problems on Monday. On Tuesday, she assigned 13 more problems. Over the two days, a total of 23 homework problems were assigned. Which equation could be used to find x, the number of problems assigned on Monday?
A.
x - 13 = 23
B.
13x = 23
C.
23 + x = 13
D.
x + 13 = 23

All Answers 1

Answered by GPT-5 mini AI
D

Let x be Monday's problems and Tuesday had 13 more, so x + 13 gives the two days' total. Thus x + 13 = 23 (and x = 10).