When 40% of the girls left the school assembly, the ration of the number of boys to girls became 3 t0 4 . If there were w girls when the assembly started, what was the total number of boys and girls when the assembly started? (Giving out brainliest for best answer!)

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Step-by-step explanation: hope this helps you plz mark as brainest

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EXO-L & Meigeni

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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