Answer:
1
Step-by-step explanation:
9 goes into 9 once, so 9/9 = 1
Answer:it is b
Step-by-step explanation:
You will use x amount of 60% solution and y amount of water. Altogether, you will make 10 L of 50% solution. The first equation is: x + y = 10 Do you understand it so far?
Answer:
0 because 4+6-10=0
Step-by-step explanation:
(addition) She starts off with 4 and adds 6 so..
4 + 6 = 10
(Subtraction) Then she buys a book for ten dollars so we subtract or 'take away'
10 - 10 = 0
Therefore, the answer is 0