Answer:
3
Step-by-step explanation:
Given:
4 Divide by 2 and add 1
Computation;
[4 / 2] + 1
Using BODMAS rule
⇒ [4 / 2] + 1
⇒ 2 + 1
3
40/100=0.4 and 72/0.4=180
so the answer is 180
Answer: 54
Explanation step by step: according to bidmas you must open the bracket first before any other thing. so the solution is 5×5-7×3
To solve this problem you must apply the proccedure shown below:
1. When you plot the given points, you obtain a trapezoid, therefore, you must apply the formula for calculate the area of a trapezoid, which is:

Where
is the larger base,
is the smaller base and
is the height.
2. The dimensions are:

3. Substitute values:

The answer is: 
3/x = 4/3
4x = 9
x = 9/4
5/y = 4/3
4y = 15
y = 15/4 (B)