Respuesta :
Answer:
25% Decrease
Step-by-step explanation:
15/20 is 75%. 100-75 (since they read less) is 25%
Answer:
25% decrease
Step-by-step explanation:
25% of 20 is 5. Because 0.25*20=5.
And because they read 15 book next month, if was 5 bookks less, which was 25% less.
Very choppy answer. But I hope that helped