Doctor wrote 67.2 pounds but the scale read 67.20 did the doctor make a mistake

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Which of the following three dimensional figures has a circle as it’s base