9- BThe question is this: \(530.20\) is what percent of \(631\)? Use the percent formula:part\(=\frac{percent}{100}×\)whole. \(530.20=\frac{percent}{100}×631 ⇒ 530.20= \frac{percent ×631}{100} ⇒ 53020 =\)percent \(×631 ⇒\) percent\(=\frac{53020}{631}=84.02≅84\).\(530.20\) is \(84\%\) of \(631\). Therefore, the discount is: \(100\%-84\%=16\%\) 10- BIf the score of Mia was \(40\), therefore the score of Ava is \(20\). Since the score of Emma […]
TL;DR: If your eighth grader is prepping for PSSA Math in Pennsylvania, these 10 questions cover what the test leans on hardest at this level: linear equations, exponents, scientific notation, and the Pythagorean Theorem. Every solution is worked all the way through, so the two of you can review the reasoning together instead of just […]
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