85 is 20% of what number?

Enter your answer in the box.

[ ]

81 is 18% of what number?

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[ ]

What number is 40% of 135?

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[ ]

Olivia wants to walk 8000 steps today. She walked 45% of this total before lunch.

How many steps did Olivia walk before lunch?

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[ ]

Mary delivers 32 newspapers to her customers in 25 minutes. These deliveries represent 64% of her customers.

How many customers does Mary have?

16

20

50

57

85 is 20% of what number?

85 = 20% * n

85 =.20n

85/.20 =.20n/.20

[n = 425]

81 is 18% of what number?

81 = 18% * n

81 =.18n

81/.18 = 18n/.18

[n = 450]

What number is 40% of 135?

n = 40% * 135

n =.40*135 = 54

[54]

Olivia wants to walk 8000 steps today. She walked 45% of this total before lunch.

How many steps did Olivia walk before lunch?

s = 45% * 8000

s =.45*8000 = 3600

[3600]

Mary delivers 32 newspapers to her customers in 25 minutes. These deliveries represent 64% of her customers.

How many customers does Mary have?

32 = 64% * n

32 =.64n

32/.64 =.64n/.64

n = 50

[50]