The school 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 to buy?
Brand A: 20 for $ 2.50
Brand B: 35 for $3.25
Brand C: 50 for $5.25
Brand D: 100 for $10.00
To determine which brand is the best to buy, we need to compare the prices per eraser.
For Brand A:
Price per eraser = $2.50 / 20 = $0.125
For Brand B:
Price per eraser = $3.25 / 35 = $0.093
For Brand C:
Price per eraser = $5.25 / 50 = $0.105
For Brand D:
Price per eraser = $10.00 / 100 = $0.10
Comparing the prices per eraser, Brand B has the lowest price at $0.093 per eraser. Therefore, Brand B is the best choice to buy.