38% of what is 4 ?? explain please

38/100 = 0,38
0,38x4 = 1,52
--> 38% of 4 is 1,52

I hope to have helped you ! :)

$250 deductible means jane must pay the first $250 of her bill. so the insurance company paid = (80% of bill) - deductible = (0.8 x $2550) - $250 = $2040 - $250 = $1790 and jane's cost is = (bill) - (insurance payment) = $2550 - $1790 = $760