The dollar store buys a hat for $0.80. Then they mark up the price by 20%. How much will they sell the hat for?

$0.96

Step-by-step explanation:

20% of 0.80 is 0.16

0.80 + 0.16 = 0.96

$0.96

Step-by-step explanation:

Multiply 0.80 times 0.2

0.80 x 0.2=0.16

Then add up 0.16 and 0.80 to get your answer

0.80 + 0.16=0.96

Hope it helps

15

step-by-step explanation:

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere