The school store is running low on erasers for pencils. They want to order more, so they look at the prices for 4 brands. Which one is the best buy?Brand A: 20 for $2.50Brand B: 35 for $3.25Brand C: 50 for $5.25Brand D: 100 for $10.00
To determine the best buy, we need to compare the price per eraser for each brand.
For Brand A, the price per eraser is $2.50 / 20 erasers = $0.125 per eraser.
For Brand B, the price per eraser is $3.25 / 35 erasers = $0.093 per eraser.
For Brand C, the price per eraser is $5.25 / 50 erasers = $0.105 per eraser.
For Brand D, the price per eraser is $10.00 / 100 erasers = $0.10 per eraser.
Comparing the prices per eraser, we can see that Brand B offers the best buy with a price of $0.093 per eraser.