Question

$\frac{21}{20} = 1 + \frac{x}{100}$
solve this pls
pls​

Answer 1

Answer:

$\frac{21}{20} = 1 + \frac{x}{100}$

Multiply both sides of the equation by 100, the least common multiple of 20,100

$105 = 100 + x$

Swap sides so that all variable terms are on the left-hand side.

$100 + x = 105$

Subtract 100 from both sides

$x = 105 - 100$

$\boxed{x = 5}$

$\rule{150pt}{2.5pt}$

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Answer 2

Answer:

The value of $x$ is 5.

Step-by-step explanation:

$1 + \frac{x}{100} = \frac{21}{20} \\\\\ \implies\frac{100+x}{100} = \frac{21}{20}\\\\\implies (100+x) 20 = 100 \times 21\\\implies2000+20x = 2100\\\implies 20 x = 2100 - 2000 = 100\\\implies x = \frac{100}{20} = 5$

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