if 12 cows produce 70 gallons of milk, how many gallons of milk would 42 cows produce?
A. 20
B. 245
C. 512
D. 840

Question

12-12-2014
Mathematics

contestada

if 12 cows produce 70 gallons of milk, how many gallons of milk would 42 cows produce?
A. 20
B. 245
C. 512
D. 840

Respuesta :

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Espeon Espeon · Answer 1 · 2014-12-12T02:07:05+01:00

Espeon Espeon

12-12-2014

This is a proportions question
12 42
------ = -------
70 ?

Cross multiply

70x42=2940
12x?=2940
294/12=245

42 cows can produce 245 gallons of milk.
So the answer is B.

Hope I helped!

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nickwwe13 nickwwe13 · Answer 2 · 2019-12-05T00:48:43+01:00

nickwwe13 nickwwe13

05-12-2019

Answer: 245 gallons

Step-by-step explanation: Set up a ratio, cows /gallons = 12/ 70 = 42/ x , then cross multiply to get 12x = 70*42. Divide to get 245 gallons.

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if 12 cows produce 70 gallons of milk, how many gallons of milk would 42 cows produce? A. 20 B. 245 C. 512 D. 840

Respuesta :

Otras preguntas

if 12 cows produce 70 gallons of milk, how many gallons of milk would 42 cows produce?
A. 20
B. 245
C. 512
D. 840