Catherine studied for 45 minutes for her science test. This was 20 minutes less than she studied for her algebra test. Write and sovle a subtraction equation to find how long she studied for the algebra test.

Respuesta :

Answer:

65min.

Step-by-step explanation:

45min. is 20min. less than _______

45 = x - 20

x = 45 + 20

x = 65

Answer:

65

Step-by-step explanation:

45 plus 20