ray earned 45/50 points on his most recent portfolio assignment in Language Arts. what is Ray's percentage?

To find Ray's percentage, you can use the formula:

\[ \text{Percentage} = \left(\frac{\text{Points Earned}}{\text{Total Points}} \right) \times 100 \]

In this case, Ray earned 45 points out of a possible 50 points. Plugging in these values:

\[ \text{Percentage} = \left(\frac{45}{50} \right) \times 100 \]

Now, calculate the fraction:

\[ \frac{45}{50} = 0.9 \]

Next, multiply by 100 to convert to a percentage:

\[ 0.9 \times 100 = 90 \]

Therefore, Ray's percentage is 90%.