Hi,

A student missed 6 on a math test and received a grade of 85% 

if all the problems were of equal value. How many problems were on the test

missed 15%

 

       problems on the test  

Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
 A student missed 6 on a math test and received a grade of 85% if all the problems were of equal value. How many problems were on the test

**

let x=number of problems on the test

x-6 =number of problems student got correct

(x-6)/x=85%

.85x=x-6

x-.85x=6

.15x=6

x=6/.15

x=40

How many problems were on the test: 40 

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