The average number of shirts sold in the beach shop was 285 on Saturday in the
summer. As the temperature went lower, the average number of shirts decreased to 114
every Saturday. What was the percentage decrease of in the average number of shirts
sold in the shop?

Decreased by 60%

Step-by-step explanation:

First take the difference to the original amount to the new amount to find the change. 285 - 114 = 171

171/285 = .6

Multiply that by 100 to get it's percent.

The amount of shirts sold decreased by 60%

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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