You know that to make 20 pancakes you have to use 2 eggs. How many eggs are needed to make 100 pancakes?

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Solution

Given,

Eggs 2 x

Pancakes 20 100

Eggs and pancakes are in direct proportion.

$\frac{e g g s_{1}}{p a n c a k e s_{1}} = \frac{x}{p a n c a k e s_{2}}$ (1 Mark)
$\frac{2}{20} = \frac{x}{100}$
$\frac{1}{10} \times 100 = x$
$10 = x$

$∴$ We need 10 eggs to make 100 pancakes. (1 Mark)

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You know that to make 20 pancakes you have to use 2 eggs. How many eggs are needed to make 100 pancakes?

Given, Eggs 2 x Pancakes 20 100 Eggs and pancakes are in direct proportion. eggs1pancakes1=xpancakes2 (1 Mark) 220=x100 110×100=x 10=x ∴ We need 10 eggs to make 100 pancakes. (1 Mark)

Given,

Eggs 2 x

Pancakes 20 100

Eggs and pancakes are in direct proportion.

$\frac{e g g s_{1}}{p a n c a k e s_{1}} = \frac{x}{p a n c a k e s_{2}}$ (1 Mark)
$\frac{2}{20} = \frac{x}{100}$
$\frac{1}{10} \times 100 = x$
$10 = x$

$∴$ We need 10 eggs to make 100 pancakes. (1 Mark)