There are 30 boys and 25 girls in class . Find the ratio of boys and girls​

Ratio = 6 : 5

Step-by-step explanation:

Total number of boys = 30

Total number of girls = 25

Ratio of boys and girls = 30 : 25

= 6 : 5

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