Arestaurant served 315 meals. one third of the people ate a two-course meal while the remainder ate a three course meal. how many course did the chef prepare? options: a: 840 b: 210. c: 630 d: 1575

840 courses

Step-by-step explanation:

One third of the people ate a two course meal: 105 people ate two course meals.

Two thirds of the people ate a three course meal: 210 people ate three course meals.

105X2 + 210X3 = 210 + 630 = 840 courses

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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