Answer:
See below:
Step-by-step explanation:
We can first setup an equation by doing the following:

Whole proccess above!
If you would like an explanation, please let me know so.
Its basically algebra and it's mainly on how you interpret it!
Have a nice day!
Answer: B) reflection over the y-axis
He score 48 marks.
This can be found by simply multiplying 80 by 60% (0.6). This will give you your rinal answer of 48.
I hope this helps!
If he wants to earn $1000, it means that $1000 must be 20% of his overall sales.
1000 = 20% * x
1000 = 20/100x
1000 = 0,2x / ÷ 0,2 (both sides)
x = 5000
Answer: A salesman must sell products for $5000 to earn $1000.
Answer:
1/3 * 2/4 = 1/3 * 1/2 = (1*1)/(3*2) = 1/6