Freeflows

Missing Test Score Sum

Sallie earned a grade of exactly $ 90 \% $ for a marking period based on six equally weighed tests. The four test papers she can find have grades of exactly $ 83 \% $, $ 96 \% $, $ 81 \% $, and $ 82\% $. What is the sum of the percent scores of the two missing grades?

1
2
3
+
4
5
6
-
7
8
9
$\frac{a}{b}$
.
0
=
%

$a^n$
$a^{\circ}$
$a_n$
$\sqrt{}$
$\sqrt[n]{}$
$\pi$
$\ln{}$
$\log$
$\theta$
$\sin{}$
$\cos{}$
$\tan{}$

$($
$)$
$[$
$]$
$\cap$
$\cup$
$,$
$\infty$

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