the tens digit in a two digit number is 1 more than the units digit. The difference between this number and the reverse number is 1/5 of the reverse number. Find the number.The price of a box of 15 cloud markers is $12.70. The price of a box of 42 cloud markers is $31.60. All prices are without tax, and the price of the boxes is the same. How much would 50 cloud markers in a box cost