32-24i . I hope this helps
Answer:
D. 65.7-65.6
<em>(</em><em>the</em><em> </em><em>exact</em><em> </em><em>difference</em><em> </em><em>is</em><em> </em><em>10</em><em>.</em><em>1</em><em>,</em><em> </em><em>which</em><em> </em><em>is</em><em> </em><em>"</em><em>about</em><em>"</em><em> </em><em>1</em><em>0</em><em>)</em>
Keep doing each step manually, and see where it slips up:
−7.9+8.2−3.4+2.1=−1
−7.9+8.2+(−3.4)+2.1=−1
−7.9+(−3.4)+8.2+2.1=−1
(−7.9+(−3.4))+(8.2+2.1)=−1
−11.3+10.3=−1
Answer: 30 dollars in total
Step-by-step explanation: first multiply 15 times 0.75 which is 11.25 then multiply 15 times 1.25 which is 18.75 if you add these two numbers together you get 30 dollars which is the total amount spent.
hope this helps mark me brainliest if it helped