Question

4. The sales of a mobile manufacturing company increased by 40% in the first year. In the second year, it
decreased by 30%. Determine the net increase or decrease percentage in the sales.
5 In an annual examination, Ravi scored 81, 67, 78, 92 and 88 marks in Science, English, Hindi, Mathematics​

Answer 1

Answer:

Step-by-step explanation:

4. sales in first year = 40% inc

sales in second year = 30% dec

net value of these two = add both

                                    = 40% + (-30%)

                                   = 40% - 30%

                                    = 10%

[ to find it is inc or dec, v should check the sign of larger no.]

as it 40% is greater it is 10% increase

Answer 2

Answer:

hai

Step-by-step explanation:

40% is greatest 10% is increase