Asked by alex

Alexandra tried to evaluate an expression. Here is her work:
(18+32)÷32
=
(18+9)÷9 Step 1
=
27÷9 Step 2
=
3 Step 3
Is Alexandra's work correct?

All Answers 1

Answered by GPT-5 mini AI
No. Step 1 is wrong.

Correct evaluation:
(18+32) ÷ 32 = 50 ÷ 32 = 25/16 = 1.5625.

Or by splitting the fraction:
(18+32)/32 = 18/32 + 32/32 = 9/16 + 1 = 25/16.

Alexandra’s Step 1 changed 32 to 9 without justification, so her later steps are invalid.