The bar graph above shows the number of T-shirts of different colors sold by a store one week. The following week, the store had a sale, and sales of each color T-shirt sold increa... The bar graph above shows the number of T-shirts of different colors sold by a store one week. The following week, the store had a sale, and sales of each color T-shirt sold increased by about 50 percent from the previous week. Of the following, which is closest to the number of green T-shirts sold the week of the sale?
Understand the Problem
The question is asking for the estimated number of green T-shirts sold in the week of the sale, given that sales increased by about 50% from the previous week as shown in the bar graph.
Answer
45
Answer for screen readers
The estimated number of green T-shirts sold the week of the sale is 45.
Steps to Solve
- Identify the number of green T-shirts sold last week
From the bar graph, we estimate the number of green T-shirts sold last week to be approximately 30.
- Calculate the increase in sales due to the sale
To find the number of green T-shirts sold during the sale, we need to calculate a 50% increase. This can be done using the formula: $$ \text{Increase} = \text{Original Number} \times \text{Percentage} $$ So: $$ \text{Increase} = 30 \times 0.50 = 15 $$
- Calculate the total number of green T-shirts sold during the sale
Now add the increase to the original number of T-shirts sold: $$ \text{Total Sold} = \text{Original Number} + \text{Increase} $$ Thus: $$ \text{Total Sold} = 30 + 15 = 45 $$
The estimated number of green T-shirts sold the week of the sale is 45.
More Information
A 50% increase means you take half of the original quantity and add it to the original. Since the amount sold previously was around 30, that makes calculating the new total straightforward.
Tips
- Miscalculating the 50% increase: Make sure to multiply by 0.50 correctly.
- Forgetting to add the increase to the original number: Always remember to add the increased amount to find the new total.
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