During the summer Frank earned $60 less than three times as much as his brother Fred. Together they earned $1220. How much did they each earn?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?