Question

A cereal mixture contains rice, wheat and corn in the ratio of 3:7:9. How many kilograms of mixture are there if it contains 2.1 kg of wheat?

Answer 1

5.7kg

Explanation:

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Answer 2

Total cereal mixture is 5·7 kg

Explanation:

A cereal mixture contains in rice , wheat and corn

In a ratio of rice, wheat and corn is
`3:7:9`

let the number be x

Rice
`=` 3x

Wheat
`=` 7x

Corn
`=` 9x

Total cereal mixture is 19x

Wheat
`=` 2·1 kg

So, Wheat 7x equals to 2·1 kg

7x
`=` 2·1 kg

x
`= (2.1)/(7)` kg

x
`=` 0·3 kg

Total cereal mixture is 19x

19 ₓ 0·3
`=` 5·7 kg