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Your brother has $2000 saved fo a vacation. His airplane ticket is $637. Write and solve an inequality to find out how much he can spend for everything else.

1 Answer

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The amount he can spend for everything else is less than or equal to 1363

The inequality is :
s\leq 1363

Solution:

Let "s" represent the brother's money to spend

Your brother has $2000 saved for a vacation

His airplane ticket is $637

Write an expression for the total money spent by adding "s" and the price of plane ticket $ 637

We can frame a inequality as:


s+637\leq 2000

Here we have used "less than or equal to" symbol, because he can spent only up to 2000

Solve the inequality for "s"


s+637\leq 2000\\\\\text{Add -637 on both sides of inequality }\\\\s+637-637\leq 2000-637\\\\s\leq 1363

Thus the amount he can spend for everything else is less than or equal to 1363

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