Let's say the least amount of money is "x", therefore whatever "x" is, it has to be "greater than or equals to 500", thus x ⩾ 500.

so, let's add "x" to the current balance including debts.

$\bf x\ge 500
\\\\\\
\stackrel{minimum}{x}+\stackrel{current}{727.29}-\stackrel{\textit{cheque for payment}}{248.50}\ge 500\implies x+478.79 \ge 500
\\\\\\
x\ge 500-478.79\implies x\ge 21.21$

8 0

3 years ago

A local charity sponsors a 5K race to raise money. It receives $55 per race entry and $10,000 in donations, but it must spend $1

777dan777 [17]

My equation: 55r + 10,000 - 15r ≥ 55,000

My Answer: r ≥ 1,125

5 0

4 years ago

Solve this for x. I have had 3 tries and can’t get the right answer.

Delicious77 [7]

3-2x<7

Subtract 3 from both sides.

-2x<4

Divide -2 from both sides. (switch the sign because you are dividing a negative number)
x>-2

5 0

3 years ago

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