Final answer:
Sandler spends $10 on school lunches from his $25 allowance. To calculate the percentage, divide $10 by $25 and multiply by 100, resulting in 40% of his allowance spent on lunches.
Step-by-step explanation:
The question asks us to determine what percent of Sandler's allowance is spent on school lunches. Sandler spends $10 on school lunches out of his $25 allowance each week. To find the percentage, we divide the amount spent on lunches by the total allowance and then multiply by 100.
Percentage spent on lunches = (Amount spent on lunches ÷ Total allowance) × 100%
Percentage spent on lunches = ($10 ÷ $25) × 100% = 0.4 × 100% = 40%.
Therefore, Sandler spends 40% of his allowance on school lunches.