# How do you change the head on a 59 Chevy PU 235?

Hey JW==Get a manual on your truck from a local parts store or from MOTORLIT.COM . GoodluckJoe

### What is the sequence of 4 15 59 235?

4 15 59 235 939 3755 15019 etc The numbers increase by multiplying by 4, then subtracting 1 from the answer. This can be seen by visual comparison of the first three numbers. That the fourth number follows this sequence can be checked by using a calculator. So what is the next number? And, if you are really clever, what number comes before the 4?

### Ball park estimate 34 plus 59 equals?

To do a quick estimate in your head, the idea is to round each number to the nearest multiple of 10, in this case (i.e., to one significant figure). 34 is closer to 30 than to any other multiple of 10; 59 is closest to 60. It should now be easy to add 30 + 60 in your head. To do a quick estimate in your head, the idea is to round each number to…