You are putting 30 different bolts into bins according to the size of the bolt. so far, you have successfully put 10 bolts into bins, which is 13 of the total job. what is your answer when your supervisor asks, “within 1%, what percent of the job is complete? ”

first one

explanation:

750 h and costs $0.60 per bulb.

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.