Question

The ratio of zinc and copper in a brass piece is 13:7. How much zinc will be there in 100 kg of such a piece?

Answer 1

Answer:65 kg

Explanalanation:let common multiple be x

therefore zinc = 13x

copper=7x

total=20x

for 100kg

20x=100kg

x=5kg

zinc=13x=5*13=65kg

Answer 2

$\huge\underline\mathfrak\green{Solution:-}$

$\huge\mathrm\red{Question:-}$

• The ratio of zinc and copper in brass piece is 13 ratio 7 how much zinc will be there in 100 kg of such a piece.

$\huge\mathrm\pink{Need\:to\:find:-}$

• How much zinc will be there in 100 kg of such a piece.

$\huge\mathrm\blue{Answer:-}$

• 65 kg zinc will be there in 100 kg of such a piece.

$\huge\mathrm\orange{Explanation:-}$

• Amount of zinc =$(100 \times \frac{13}{20} )kg$

$\huge\mathrm\purple{=\:65\:kg}$