Which of the following is the shape of a cross-section of the figure shown
1 answer:
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78×4000=312000
100×x=100x
312000÷100=3120
3120+4000=7120<----2nd month
7120×0.5=3560<----3rd month
4000<----1st month
4000+3560+7120=14680<----Your answer, this is the total of the three months.
I hope this helps you
The question is an illustration of solving equations using estimates.
The student's strategy makes sense because he uses estimation to solve the given equation
The correct sequence of equation is as follows:
We have:
Add 0 to the equation
Express 0 as 1 - 1
Add another 0
Express 0 as 3 - 3
Rewrite as:
Solve
Read more about estimation and equations at: