Paint costs (Code Coach problem)

Question

let paint:String! = readLine()
var paint2:Double! = Double(paint)
var b:Double! = 5.00 * paint2 + 40.00
var c:Double! = b + 0.10 * b
var d:Int! = Int(c)
print(d)

It gives the correct values, but optional, like Optional(55) instead of 55.
Thanks <3

#lovesololearn

Answer 1

Please specify in which language you are writing this program

Answer 2

Hi sir my name is donta i want to become a application programmer can you give some tip that have to consider

Answer 3

Easy in Python
print(round(1.1*(40 + 5 * int(input()))))

Answer 4

thanks Sir =)))

Answer 5

Thank you all =)), and happy New Year <3 from Vietnam

Answer 6

ah Swift

Answer 7

yeah I solved this problem man, many thanks though ^^ <3

Answer 8

https://www.sololearn.com/discuss/1548326/?ref=app
https://www.sololearn.com/discuss/1886509/?ref=app
https://www.sololearn.com/discuss/1301376/?ref=app
https://www.sololearn.com/discuss/1182529/?ref=app
https://www.sololearn.com/discuss/805256/?ref=app
https://www.sololearn.com/discuss/1003098/?ref=app
https://www.sololearn.com/discuss/404894/?ref=app
https://www.sololearn.com/discuss/1321308/?ref=app
https://www.sololearn.com/discuss/1347789/?ref=app
https://www.sololearn.com/discuss/2022903/?ref=app
https://www.sololearn.com/discuss/272155/?ref=app

Answer 9

Aran Antoine hope this helps you