Try to calculate them in your head and if that doesn't help use a calculator. I hope this helps
Answer:
0.5%
Step-by-step explanation:
A shop keeper sells an article for 400
He purchases it for 402.
Therefore, loss = cost price - selling price
402 - 400 = 2
% loss =
loss/cost price x 100%
2/402 x 100%
= 200/402
=0.498
=0.5%
Answer:
90 degrees
Step-by-step explanation:
It is a right angle
Answer: Not a function
Step-by-step explanation: