No because if the children are little they may need help with their own algorithms.
Step-by-step explanation:
Since we have given that
Number of hour Marco practiced the piano on Monday is given by

Number of hours Marco practiced the piano on Tuesday is given by

1) For Adding :
Total number of hours he practiced on both Monday and Tuesday will be

2) For Subtraction,
Number of hour he practiced more on Tuesday than on Monday will be

Answer:
-3<u>-8</u>=-11
Step-by-step explanation:
The missing value is -8 because if you add is to -3 then you will get -11 and -11 = -11
Answer:
x/6 = 3/9
9x = 18
x = 2
Answer: 2:6 as 3:9
If x:6 as 3:9, then x is equal to
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Equation:
(x/6) = 3/9
x = 6(3/9)
Step-by-step explanation: