remainder is 1
2.1428571428571
70
70
1
15, remainder 2
9, remainder 15
15 goes into 1050 seventy times
106 ÷ 7 = 15 with remainder 1
43 times with a remainder of 5... and it's 'does' - not 'dose' !
No, that is a very bad substitute. If you want to go with a 70 series tire go with a 195/70-15 which is a great substitute.
5
4 times with a remainder of 10
4