woolseylisa woolseylisa

23-01-2015
Mathematics

contestada

Proportion: test worth 50 points test score 84%

Respuesta :

torreyem torreyem

23-01-2015

50x0.84=42, so 42 points

Answer Link

Аноним Аноним

23-01-2015

[tex]\begin{array}{ccc}100\%&-&50\ pts\\\\84\%&-&x\ pts\end{array}\ \ \ |cross\ multiply\\\\100x=50\cdot84\ \ \ \ |divide\ both\ sides\ by\ 100\\\\x=\frac{50\cdot84}{100}\\\\x=\frac{1\cdot84}{2}\\\\\boxed{x=42\ (pts)}[/tex]

Answer Link

Otras preguntas

Which is a solution to (x − 2)(x + 10) = 13?

What equation will I need for this problem? A 3kg soccer ball is rolling with a kinetic energy of 1800 J. It reaches a ramp and rolls up the ramp until it comes

what did the philosophers of the enlightenment seek to understand?

The school band wishes to raise a minimum of $800 by selling tickets to their holiday concert. They make $3 from each student ticket and $5 from each adult tick

You have 51 dollar bills for five dollar bills six $10 bill and three $20 bills in your wallet. you select a bill at random. without replacing the bill, you cho

What does it mean for a strong acid to be in equilibrium?

When a voltaic cell operates, ions move through the(1) anode (2) cathode (3) salt bridge (4) external circuit

Antiviral medications are a common treatment for

What one thinks determines one's actions.

The environmental movement began when