anyone knows how to set up those wordproblems
1.One number is 11 more than three times another. Their sum is 111. What are the numbers?
6. There are three consecutive even numbers such as twice the first is 20 more than the second . Find the numbers.
7. A carpenter needs to cut a 14 foot board into three pieces so that the second piece is twice as long as the first and the third is twice the second. How long is the shortest piece?
13 The Moutainneering Shop was owned jointly by Dave, Steven, and Pierre. Steve put up $2000 more than Dave, and Pierre owned a half interest. If the total cost of the shop was $52,000, how many did each man invest?
15. Wolfgang and Heinrich worked as electricians for $40 and 44 per hour , respectively. One month Wolfgang worked 10 hours more than Heinrich. If their total income for the month was $11,320, how many hours did each work during the month?
16.Mike and Ike each inherited a sum of money from an uncle. Mike received $800 more than Ike. Ike invested his at 8 percent and Mike invested his at 7 percent. If Mike received $ 16 a year more than Ike in interest, how much did each inherit?