Nick and June win some money and share it in the ratio 3:1. Nick gets 30 £60 more than June. How much did they get altogether

How do you solve a question like this?

Write and solve a real word problem that involves determining distance on a coordinate plane

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.