Same would need to get at least a 95% on the next test, if he would like to receive a total average of an 80%
Smallest 1/4 5/12 1/2 2/3 3/4 biggest
1/2 is the largest fraction out of all of them
There is an app that could help u out a lot is called MathPapa
(3-4x)(8+3x)
= (3+-4x)(8+3x)
= (3)(8)+(3)(3x)+(-4x)(8)+(-4x)(3x)
= 24+9x-32x-12x^2
= -12x^2-23x+24
tim is 13.
let tim's age be t and sam s.
the statement implies 2t + 9 = s.
solving,
2t + 9=35;
2t = 35-9;
2t =26; hence t is 13
