Respuesta :

Explanation:

pseudo code

var A=90%

var B=80%

var C=70%

var F=60%

var input=input

if(input>=A){

console.log(" A")

}

if(input>=B){

console.log(" B")

}

if(input>=C){

console.log(" C")

}

if(input>=F){

console.log("F")

}