Tyler's brother works in a shoe store. Tyler's brother earns a commission. He makes 2.5% of the amount he sells. Last week, he sold $900 worth of shoes. How much was his commission?
The store bought a pair of shoes for $50, and sold it for $80. What percentage was the markup?
Tyler's brother earns $12 per hour. The store offers him a raise-a 5% increase per hour. After the raise, how much will Tyler's brother make per hour?

1. $22.50

2. 60%

3. $12.60

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

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step-by-step explanation: