document.write( "Question 319699: 1. fran swims at a speed of 2.2 km/h in still water. the lazy river flows at a speed of 0.6 km/h. how long will it take fran to swim 0.8 km upstream?\r
\n" ); document.write( "\n" ); document.write( "2. find the union.
\n" ); document.write( "{5,9,11}[union]with the o with slash in the middle\r
\n" ); document.write( "\n" ); document.write( "3. a hospital parking lot charges $2.00 for the first hour or part thereof, and $1.00 for each additional hour or part thereof. A weekly pass cost $43.00 and allows unlimited parking for 7 days. if each visit jonny makes to the hospital lasts one and a half hours, what is the minimum number of visits that would make it worthwhile to buy a pass?\r
\n" ); document.write( "\n" ); document.write( "4. bayside insurance offers two health plans. under plan a, giselle would have to pay the first 70% of her medical bills, plus 40% of the rest. under plan b, giselle would pay the first $230, but only 25% of the rest. for what amount of medical bills will plan b save giselle money? assume she has over $230 in bills. \n" ); document.write( "
Algebra.Com's Answer #228983 by mananth(16946)\"\" \"About 
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1. fran swims at a speed of 2.2 km/h in still water. the lazy river flows at a speed of 0.6 km/h. how long will it take fran to swim 0.8 km upstream?\r
\n" ); document.write( "\n" ); document.write( "speed still water 2.2 kmph
\n" ); document.write( "river speed = 0.6kmph
\n" ); document.write( "upstream speed = 2.2-0.6 = 1.6 kmph
\n" ); document.write( "..
\n" ); document.write( "time = distance / speed
\n" ); document.write( "time = 0.8/1.2
\n" ); document.write( "=3/4 hour
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\n" ); document.write( "\n" ); document.write( "2. find the union.
\n" ); document.write( "{5,9,11}[union]with the o with slash in the middle\r
\n" ); document.write( "\n" ); document.write( "3. a hospital parking lot charges $2.00 for the first hour or part thereof, and $1.00 for each additional hour or part thereof. A weekly pass cost $43.00 and allows unlimited parking for 7 days. if each visit jonny makes to the hospital lasts one and a half hours, what is the minimum number of visits that would make it worthwhile to buy a pass?\r
\n" ); document.write( "\n" ); document.write( "jonny - 1 1/2 hours /day
\n" ); document.write( "first hour $2 + $1 for next half hour.
\n" ); document.write( "Total $3 per day \r
\n" ); document.write( "\n" ); document.write( "43/3= 14.4 visits
\n" ); document.write( "He should make minimum 15 visits to make it worthwhile.
\n" ); document.write( "..
\n" ); document.write( "4. bayside insurance offers two health plans. under plan a, giselle would have to pay the first 70% of her medical bills, plus 40% of the rest. under plan b, giselle would pay the first $230, but only 25% of the rest. for what amount of medical bills will plan b save giselle money? assume she has over $230 in bills.
\n" ); document.write( "let her medical bill be x\r
\n" ); document.write( "\n" ); document.write( "plan a - 0.7x +0.3(x-0.7x)
\n" ); document.write( "plan b - 230+0.25x
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\n" ); document.write( "\n" ); document.write( "0.7x+0.3x -0.21x= 230+0.25x
\n" ); document.write( "0.54x=230
\n" ); document.write( "x=425.9\r
\n" ); document.write( "\n" ); document.write( "Above $ 426 billing plan b will be save her money\r
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