Work Step by Step
write 40%=0.4, 3%=0.03 |v-0.4|$\leq$0.03 v-0.4$\leq$0.03 and v-0.4$\geq$-0.03 v$\leq$0.43 and v$\geq$0.37 0.37$\leq$v$\leq$0.43
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.