Answer and Step-by-step explanation:

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John made $40 commissions for $500 sales or 40/500. He wants $320 for an unknown amount of sales or 320/x.
40/500=320/x Cross multiply.
40x=160,000
Divide both sides by 40.
X=4,000
He needs his sales to be $4,000 to get $320 in commission.
Answer: 10 + 0.998987... = 10.998987
Step-by-step explanation:
I just took the test today and this was the answer.
................5 FT cubed
Answer:
he can still get a 5 but he is equally likely to get any other number 1 to 6
Step-by-step explanation:
he has a 1/6 chance of rolling 5 the first turn and it becomes more and more rare to roll lots of 5s in a row
1/6
1/36
1/216
etc
each time the denominator is multiplied by 6 because it is less likely he will roll a 5 so many times in a row