Percentages

SAT Math· difficulty 4/5

Store A offers 30%30\% off. Store B offers 20%20\% off plus an additional 15%15\% off. Which is the better deal?

  • A

    Same

  • B

    Store A by 5%

  • C

    Store A by 2%

    check_circle
  • D

    Store B by 2%

Explanation

A pays 0.700.70 of price. B pays 0.800.85=0.680.80 \cdot 0.85 = 0.68. B is better; final paid is 68%68\% vs 70%70\%, so B is cheaper by 22 percentage points.

Want 10 more like this — adaptive to your weak spots?

Related questions