Sari has 3 times as many pencil erasers as sam together they had 28 erasers how many earasers does sari have

Answer : Sam has = 7 erasers

Sari has = 3×7=21 erasers

Explanation:

Let the number of erasers Sam has =x

Let number of erasers Sari has = 3x

According to question,

So, Sam has =7 erasers

and

Sari has = 3×7=21 erasers

i you goofed up when writing this, because hnot is not a word minusf is not either. i cannot answer   because of that.

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