Frank has a 2digit number on his baseball uniform The number

Frank has a 2-digit number on his baseball uniform. The number is a multiple of 10 and has 3 as one of its factors. What three numbers could Frank have on his uniform? A landscaper planted 1 group of 30 trees in 9 different city parks. How many trees did he plant? Explain how you grouped your factors to solve the problem.

Solution

16. 2-digit number whose a multiple of 10 and has 3 for one its factors.

= 10*3 = 30

and multiple of 30 = 60, 90, 120 but it is a 3 digit number.

thus numbers is 30, 60 and 90.