Rachel types 162 words in 3 minutes. Rachel types at a constant rate . How many words does Rachel type per minute?

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!

Change negative exponents to positive. then solve. round to four decimal places

Im so bad at fractions they are not my best math thing to work on