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In a certain​ chemical, the ratio of zinc to copper is 3 to 11. A jar of the chemical contains 462 grams of copper. How many grams of zinc does it​ contain?

Respuesta :

ktaum2048

Answer:

78

Step-by-step explanation:

Got it right

adioabiola

The number of grams of zinc in the jar given the ratio is 126 grams

Given:

Ratio of zinc to copper = 3 : 11

Grams of copper = 462 grams

let

x = grams of zinc

Ratio of zinc to copper

3 : 11 = x : 462

3/11 = x / 462

cross product

3 × 462 = 11 × x

1,386 = 11x

x = 1386 / 11

= 126 grams

Therefore, number of grams of zinc in the jar given the ratio is 126 grams

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