Two mechanics worked on a car. the first mechanic worked for
10
hours, and the second mechanic worked for
5
hours. together they charged a total of
$1000
. what was the rate charged per hour by each mechanic if the sum of the two rates was
$155
per hour?

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!