Dr. Norman saw 990 patients last year. This year, the number of patients she saw was 10% lower. How many patients did Dr. Norman see this year?

891 patients

Step-by-step explanation:

10% of 990 is 99. If you want to calculate 10% of a number you just divide it b 10, and 990/10=99. From there you subtract 99 from 990, which gives you 891.

Hope this helps!

a

step-by-step explanation:

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right