That would be first option since he did use the inverse of subtraction and added 4.5.
Insha's work is incorrectly because -4.5 + (-4.5) will not cancel each other out. It's supposed to be -9, then she should add 9 to cancel -9 out and she would have gotten 3.
Final answer: A
Hope this is clear.
Answer:
10
Step-by-step explanation:
Multiply 4 by 2.5 to get 10
Answer:
Can't answer because we don't know the distance between start position and Middelburg, as well as the number of stops along the way
Step-by-step explanation:
Answer: x=9
you can reduce multiply to show your work
3• 1/3x = 3•3
9=9
