3 grid models, each with 100 squares. The first model has 40 shaded squares. The second model has 60 shaded squares. The third model has 100 shaded squares. Mrs. Ramirez’s income increased 140% last year.
To model this percent, use

step-by-step explanation:

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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answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.