1000 SC-#40

According to a study by the Carnegie Foundation for the Advancement of Teaching, companies in the United States are providing job training and general education for nearly eight million people, about equivalent to the enrollment of the nation’s four-year colleges and universities. (A) equivalent to ...

I have posted the same question and someone answered it, here is the solution Given: Aa,Am,Aj=(1.26,1.20,1.080 ) Sa=Sm Sj=2Sa Total Sales=Sa+Sm+Sj =Sa+Sa+2Sa =4Sa 3-Month Avg=Sales Price*Sale/Total Sales =(Sa*Aa + Sm * Am + Sj * Aj) / ( Sa + Sm + Sj) = (Sa * Aa + Sa * Am + 2Sa * Aj ) / 4Sa =Sa (Aa+A...

thxxx

The answer is correct as it's in my answer sheet but I didn't know how they come to this answer. Thanks for solving it

your answer is wrong here's the solution... 450/t=s 450/t-1=s+5 450/t=(450/t-1) - 5 450= (450/t-1)t - 5t 450= (450t/t-1) - 5t(t-1)/t-1 450= (450t-5t^2+5t)/ t-1 450(t-1)= 450t -5t^2 +5t 450t-450 - 455t +5t^2 5t^2-5t-450=0 t^2-t-90=0 (t+9)(t-10)=0 then t=10 450/t=s 450/10= 45 so the answer is C and no...

thanks alot for help

ps Income problem

. After paying a 10 percent tax on all income over $3,000, a person had a net income of $12,000. What was the income before taxes? (A) $13,300 (B) $13,000 (C) $12,900 (D) $10,000 (E) $9,000 I solve it that way... income= x tax= 0.1 * (x-3000) Net income = income - taxes 12,000 = x- ( 0.1x-300) 12,00...

PS ,, AVG speed

12. A bus trip of 450 miles would have taken 1 hour less if the average speed S for the trip had been greater by 5 miles per hour. What was the average speed S, in miles per hour, for the trip?
(A) 10
(B) 40
(C) 45
(D) 50
(E) 55