a machine can print a special card at the rate of 1500 copies in a minute. find the cost of each card printed in 1hr 15 minutes if the cost is 1000 for 4 cards

Need 5. reflection what factors did you use to determine the validity of your sources? (what was most important and guided your decision to determine validity? ) what factors did you use to determine the reliability of your sources? what was the most important and guided your decision to determine reliability? what form of media resources (internet, publications, music, advertisements, video, etc.) do you think were the most valid and reliable for your question? support your answer. what was your best source? support your answer.