Answer: He has 7 books.
Step-by-step explanation:
9 - 2 = 7
Answer:
7
1.24
x = √ 7 + 5 , − √ 7 + 5
x = 7.64575131 … , 2.35424868 …
find how many dishes she can wash in 1 minute:
14 divided by 5
2.8/per min
Find 8-minutes:
8 times 2.8
22.4 dishes