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3 years ago

Find the value of the combination.

1 answer:

4 0

It's past my bed-time and there's a whopping 5 points at stake, so
I'm going to violate my own #1 Prime Cardinal Rule here, and just
give a stripped down answer without going through a full explanation.

The number of combinations of 3 cows out of 7 is (7·6·5) / 3! = 35 .

The number of combinations of 2 pigs out of 4 is (4·3)/2 = 6

The number of combinations of 10 sheep out of 10 is 1 .

The number of ways he can select his animals is (35 · 6 · 1) = 210 .

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3 years ago

A real estate broker's base salary is $18,000. She earns a 4% commission on total sales. How much must she sell to earn $55,000

evablogger [386]

The salary of the real estate broker = $18,000

Commission earned on total sales = 4% or 0.04

Total income earnings = $55,000

Let the total sales be = x

Equation becomes :

$18000+0.04x=55000$

$0.04x=55000-18000$

$0.04x=37000$

$x=925000$

Hence, the real estate broker must sell $925,000 worth of real estate to earn $55,000.

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Step-by-step explanation:

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Step-by-step explanation:

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