Answer:
$200 + $10x = $375
Well we're going to round up to $380, cause their making money in increments of 10 rather than 5.
And based off that I'd subtract $375 from $200 (375 -200 = 180)
Then take that answer and divide it by 10. (180 / 10)
Jesse will need to wash at least 18 more cars in order to afford the bicycle