Respuesta :

20100039110007

Answer:

1.

30/100×450

0.3×450

135

450-135=315

So the sale price of a shirt is Nu.315

2.

30/100×450

0.3×450

135

450+135=585

So the selling price of the shirt is Nu.585

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Answer:

Q1:315

Q2:585

Step-by-step explanation:

450 -30% (Percentage decrease) =

450 - (30% × 450) =

450 - 30% × 450 =

70 ÷ 100 × 450 =

70 × 450 ÷ 100 =315

Q2: 450 + 30(Percentage increase) =

450 + (30% × 450) =

450 + 30% × 450 =

130 ÷ 100 × 450 =

130 × 450 ÷ 100 =585

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