Answer:
Well, one way to use reasonableness is to estimate the answer to see if your answer is an outrageous answer or not. So, looking at your problem, you see that you are multiplying a two hundred something number by 4 and then subtracting 10 from it.
Step-by-step explanation:
Answer:
khing chong
Step-by-step explanation:
Answer:
8+10+8+10=36+ 2 x 3.14 x radium/2
Step-by-step explanation:
Answer: £5000
Step-by-step explanation:
If 12% decrease = £600
Then (100- 12)% = x
100% = x
0.12x = 600 x 0.88
0.12x = 528
Divide both sides by 0.12
£4400
Therefore, original price before 12% decrease was £5000
Answer:
28 + x
Step-by-step explanation:
To write this as an expression, you need to find out what sign you need to use ( multiplication, division,etc.)
More than means to add so you are using an addition sign. Now you need a variable to represent the number.
You can pick any letter but for this I am using x. When you put that all together you get the expression, 28 + x.