Pearl is tracking the number of minutes she reads each week. Pearl read 50 minutes last week. This week, she reads 75% more. How many minutes did Pearl read this week?

Set up the double number line to show that 50 minutes is 100%.
minutes
0
50
0%
100
%
You got it!
Which point shows 75% percent more on the double number line?
minutes
0
A
50
B
0
100%

A

B
Good work!
Write an equation to show how to find 75% more than 50.
minutes
0
50
?
0
100%

100% of 50

+

75% of 50
= ?
Great job!
Now use the distributive property to write this expression another way.
minutes
0
50
?
0
100%
100% of 50 + 75% of 50 = of 50

1 answer

To find out how many minutes Pearl read this week, we can start with the information given:

  1. Pearl read 50 minutes last week.
  2. This week, she reads 75% more than that.

First, let's calculate 75% of 50:

\[ 75% \text{ of } 50 = 0.75 \times 50 = 37.5 \]

Now, we can find the total number of minutes Pearl read this week by adding this amount to the original 50 minutes:

\[ 50 + 37.5 = 87.5 \]

So, Pearl read 87.5 minutes this week.

Now, let's set up the equation as you requested:

Equation to show how to find 75% more than 50:

\[ 100% \text{ of } 50 + 75% \text{ of } 50 = ? \]

Substituting the values we calculated:

\[ 50 + 37.5 = 87.5 \]

Next, we can also express the equation using the distributive property. Instead of writing it as two separate percentages of 50, we can combine them:

\[ 100% \text{ of } 50 + 75% \text{ of } 50 = (100% + 75%) \text{ of } 50 = 175% \text{ of } 50 \]

So, rewritten using the distributive property, it becomes:

\[ (100% + 75%) \text{ of } 50 = 175% \text{ of } 50 \]

This means Pearl read 175% of 50, which gives us the same total of 87.5 minutes this week.

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