Answer:
a. Sarah wrote 60 out of 100 words on the first night.
b. Sarah wrote the other 40 out of 100 words on the first night. 4/10 is the fraction.
Step-by-step explanation:
a. 6/10 is equal to 60/100. if you multiply 6/10 by 10, you get 60/100
b. 100/100 minus 60/100 is equal to 40/100 which in turn is equal to 4/10.